157448403 has 24 divisors (see below), whose sum is σ = 264326400. Its totient is φ = 88443504.

The previous prime is 157448399. The next prime is 157448443. The reversal of 157448403 is 304844751.

157448403 is a `hidden beast` number, since 1 + 574 + 4 + 84 + 0 + 3 = 666.

157448403 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 157448403 - 2² = 157448399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (157448443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17463 + ... + 24896.

It is an arithmetic number, because the mean of its divisors is an integer number (11013600).

Almost surely, 2^157448403 is an apocalyptic number.

157448403 is a deficient number, since it is larger than the sum of its proper divisors (106877997).

157448403 is a wasteful number, since it uses less digits than its factorization.

157448403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42431 (or 42428 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 157448403 is about 12547.8445559387. The cubic root of 157448403 is about 539.9821701932.

The spelling of 157448403 in words is "one hundred fifty-seven million, four hundred forty-eight thousand, four hundred three".