157262897 has 4 divisors (see below), whose sum is σ = 171559536. Its totient is φ = 142966260.

The previous prime is 157262837. The next prime is 157262909. The reversal of 157262897 is 798262751.

It is a happy number.

157262897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 157262897 - 2⁸ = 157262641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157262837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7148303 + ... + 7148324.

It is an arithmetic number, because the mean of its divisors is an integer number (42889884).

Almost surely, 2^157262897 is an apocalyptic number.

It is an amenable number.

157262897 is a deficient number, since it is larger than the sum of its proper divisors (14296639).

157262897 is a wasteful number, since it uses less digits than its factorization.

157262897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14296638.

The product of its digits is 423360, while the sum is 47.

The square root of 157262897 is about 12540.4504305069. The cubic root of 157262897 is about 539.7700175208.

The spelling of 157262897 in words is "one hundred fifty-seven million, two hundred sixty-two thousand, eight hundred ninety-seven".