157320265 has 8 divisors (see below), whose sum is σ = 189943488. Its totient is φ = 125083440.

The previous prime is 157320223. The next prime is 157320269. The reversal of 157320265 is 562023751.

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

It is a de Polignac number, because none of the positive numbers 2^k-157320265 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157320269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95701 + ... + 97330.

It is an arithmetic number, because the mean of its divisors is an integer number (23742936).

Almost surely, 2^157320265 is an apocalyptic number.

It is an amenable number.

157320265 is a deficient number, since it is larger than the sum of its proper divisors (32623223).

157320265 is a wasteful number, since it uses less digits than its factorization.

157320265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193199.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 157320265 is about 12542.7375401066. The cubic root of 157320265 is about 539.8356438540.

The spelling of 157320265 in words is "one hundred fifty-seven million, three hundred twenty thousand, two hundred sixty-five".