151604645 has 8 divisors (see below), whose sum is σ = 185358456. Its totient is φ = 118995136.

The previous prime is 151604639. The next prime is 151604653. The reversal of 151604645 is 546406151.

It can be written as a sum of positive squares in 4 ways, for example, as 14386849 + 137217796 = 3793^2 + 11714^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 151604645 - 2⁸ = 151604389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285782 + ... + 286311.

It is an arithmetic number, because the mean of its divisors is an integer number (23169807).

Almost surely, 2^151604645 is an apocalyptic number.

It is an amenable number.

151604645 is a deficient number, since it is larger than the sum of its proper divisors (33753811).

151604645 is an equidigital number, since it uses as much as digits as its factorization.

151604645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572151.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 151604645 is about 12312.7838038358. The cubic root of 151604645 is about 533.2172236390.

The spelling of 151604645 in words is "one hundred fifty-one million, six hundred four thousand, six hundred forty-five".