157065969 has 8 divisors (see below), whose sum is σ = 210928480. Its totient is φ = 103957056.

The previous prime is 157065959. The next prime is 157065973. The reversal of 157065969 is 969560751.

157065969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 157065969 - 2²¹ = 154968817 is a prime.

It is a super-2 number, since 2×157065969² = 49339437235817922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157065929) 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, 187912 + ... + 188745.

It is an arithmetic number, because the mean of its divisors is an integer number (26366060).

Almost surely, 2^157065969 is an apocalyptic number.

It is an amenable number.

157065969 is a deficient number, since it is larger than the sum of its proper divisors (53862511).

157065969 is a wasteful number, since it uses less digits than its factorization.

157065969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376799.

The product of its (nonzero) digits is 510300, while the sum is 48.

The square root of 157065969 is about 12532.5962593550. The cubic root of 157065969 is about 539.5446195162.

The spelling of 157065969 in words is "one hundred fifty-seven million, sixty-five thousand, nine hundred sixty-nine".