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145363633 = 255156983
BaseRepresentation
bin10001010101000…
…01001010110001
3101010112020102021
420222201022301
5244203114013
622231351441
73413366452
oct1052411261
9333466367
10145363633
1175065938
1240822581
13241677ac
141543d129
15cb65a8d
hex8aa12b1

145363633 has 4 divisors (see below), whose sum is σ = 145423168. Its totient is φ = 145304100.

The previous prime is 145363571. The next prime is 145363637. The reversal of 145363633 is 336363541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-145363633 is a prime.

It is a super-2 number, since 2×1453636332 = 42261171597917378, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145363637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25941 + ... + 31042.

It is an arithmetic number, because the mean of its divisors is an integer number (36355792).

Almost surely, 2145363633 is an apocalyptic number.

It is an amenable number.

145363633 is a deficient number, since it is larger than the sum of its proper divisors (59535).

145363633 is an equidigital number, since it uses as much as digits as its factorization.

145363633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59534.

The product of its digits is 58320, while the sum is 34.

The square root of 145363633 is about 12056.6841627373. The cubic root of 145363633 is about 525.7975879809.

The spelling of 145363633 in words is "one hundred forty-five million, three hundred sixty-three thousand, six hundred thirty-three".

Divisors: 1 2551 56983 145363633