156607945 has 8 divisors (see below), whose sum is σ = 202385736. Its totient is φ = 115648896.

The previous prime is 156607931. The next prime is 156607963. The reversal of 156607945 is 549706651.

156607945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 6471936 + 150136009 = 2544^2 + 12253^2 .

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 156607945 - 2⁹ = 156607433 is a prime.

It is a Duffinian 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, 1204612 + ... + 1204741.

It is an arithmetic number, because the mean of its divisors is an integer number (25298217).

Almost surely, 2^156607945 is an apocalyptic number.

It is an amenable number.

156607945 is a deficient number, since it is larger than the sum of its proper divisors (45777791).

156607945 is a wasteful number, since it uses less digits than its factorization.

156607945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2409371.

The product of its (nonzero) digits is 226800, while the sum is 43.

The square root of 156607945 is about 12514.3096094031. The cubic root of 156607945 is about 539.0196490394.

The spelling of 156607945 in words is "one hundred fifty-six million, six hundred seven thousand, nine hundred forty-five".