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145916357 = 287950683
BaseRepresentation
bin10001011001010…
…00000111000101
3101011120022121112
420230220013011
5244323310412
622251254405
73421161056
oct1054500705
9334508545
10145916357
1175403134
1240a4a405
13242cc252
141554472d
15cc24722
hex8b281c5

145916357 has 4 divisors (see below), whose sum is σ = 145969920. Its totient is φ = 145862796.

The previous prime is 145916327. The next prime is 145916359. The reversal of 145916357 is 753619541.

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, and also an emirpimes, since its reverse is a distinct semiprime: 753619541 = 2332766067.

It is a cyclic number.

It is not a de Polignac number, because 145916357 - 210 = 145915333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145916359) 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, 22463 + ... + 28220.

It is an arithmetic number, because the mean of its divisors is an integer number (36492480).

Almost surely, 2145916357 is an apocalyptic number.

It is an amenable number.

145916357 is a deficient number, since it is larger than the sum of its proper divisors (53563).

145916357 is an equidigital number, since it uses as much as digits as its factorization.

145916357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53562.

The product of its digits is 113400, while the sum is 41.

The square root of 145916357 is about 12079.5843057615. The cubic root of 145916357 is about 526.4631679665.

The spelling of 145916357 in words is "one hundred forty-five million, nine hundred sixteen thousand, three hundred fifty-seven".

Divisors: 1 2879 50683 145916357