157347903 has 16 divisors (see below), whose sum is σ = 223001856. Its totient is φ = 98344320.

The previous prime is 157347893. The next prime is 157347919. The reversal of 157347903 is 309743751.

It is a happy number.

157347903 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 157347903 - 2⁹ = 157347391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157347973) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7548 + ... + 19278.

It is an arithmetic number, because the mean of its divisors is an integer number (13937616).

Almost surely, 2^157347903 is an apocalyptic number.

157347903 is a deficient number, since it is larger than the sum of its proper divisors (65653953).

157347903 is a wasteful number, since it uses less digits than its factorization.

157347903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12014.

The product of its (nonzero) digits is 79380, while the sum is 39.

The square root of 157347903 is about 12543.8392448245. The cubic root of 157347903 is about 539.8672547506.

The spelling of 157347903 in words is "one hundred fifty-seven million, three hundred forty-seven thousand, nine hundred three".