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145335141 = 357431987
BaseRepresentation
bin10001010100110…
…10001101100101
3101010110210100000
420222122031211
5244201211031
622231011513
73413220420
oct1052321545
9333423300
10145335141
1175046496
1240809b99
1324157833
14154329b7
15cb5c3e6
hex8a9a365

145335141 has 48 divisors (see below), whose sum is σ = 254718464. Its totient is φ = 81076464.

The previous prime is 145335133. The next prime is 145335173. The reversal of 145335141 is 141533541.

It is a happy number.

145335141 is a `hidden beast` number, since 145 + 3 + 3 + 514 + 1 = 666.

It is not a de Polignac number, because 145335141 - 23 = 145335133 is a prime.

It is a super-2 number, since 2×1453351412 = 42244606418979762, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145335181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 72150 + ... + 74136.

Almost surely, 2145335141 is an apocalyptic number.

It is an amenable number.

145335141 is a deficient number, since it is larger than the sum of its proper divisors (109383323).

145335141 is an equidigital number, since it uses as much as digits as its factorization.

145335141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2052 (or 2040 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 145335141 is about 12055.5025195966. The cubic root of 145335141 is about 525.7632327495.

Adding to 145335141 its reverse (141533541), we get a palindrome (286868682).

The spelling of 145335141 in words is "one hundred forty-five million, three hundred thirty-five thousand, one hundred forty-one".

Divisors: 1 3 7 9 21 27 43 63 81 129 189 243 301 387 567 903 1161 1701 1987 2709 3483 5961 8127 10449 13909 17883 24381 41727 53649 73143 85441 125181 160947 256323 375543 482841 598087 768969 1126629 1794261 2306907 3379887 5382783 6920721 16148349 20762163 48445047 145335141