157570045 has 8 divisors (see below), whose sum is σ = 189415224. Its totient is φ = 125835264.

The previous prime is 157570009. The next prime is 157570051. The reversal of 157570045 is 540075751.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 70744921 + 86825124 = 8411^2 + 9318^2 .

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 157570045 - 2⁷ = 157569917 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, 24424 + ... + 30193.

It is an arithmetic number, because the mean of its divisors is an integer number (23676903).

Almost surely, 2^157570045 is an apocalyptic number.

It is an amenable number.

157570045 is a deficient number, since it is larger than the sum of its proper divisors (31845179).

157570045 is an equidigital number, since it uses as much as digits as its factorization.

157570045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55199.

The product of its (nonzero) digits is 24500, while the sum is 34.

The square root of 157570045 is about 12552.6907474055. The cubic root of 157570045 is about 540.1211947912.

The spelling of 157570045 in words is "one hundred fifty-seven million, five hundred seventy thousand, forty-five".