157200903 has 6 divisors (see below), whose sum is σ = 227067984. Its totient is φ = 104800596.

The previous prime is 157200893. The next prime is 157200919. The reversal of 157200903 is 309002751.

157200903 is a `hidden beast` number, since 1 + 572 + 0 + 0 + 90 + 3 = 666.

157200903 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 157200903 - 2⁹ = 157200391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157200973) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8733375 + ... + 8733392.

It is an arithmetic number, because the mean of its divisors is an integer number (37844664).

Almost surely, 2^157200903 is an apocalyptic number.

157200903 is a deficient number, since it is larger than the sum of its proper divisors (69867081).

157200903 is a wasteful number, since it uses less digits than its factorization.

157200903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17466773 (or 17466770 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 157200903 is about 12537.9784255677. The cubic root of 157200903 is about 539.6990813133.

The spelling of 157200903 in words is "one hundred fifty-seven million, two hundred thousand, nine hundred three".