157401224 has 16 divisors (see below), whose sum is σ = 299533200. Its totient is φ = 77525712.

The previous prime is 157401137. The next prime is 157401247. The reversal of 157401224 is 422104751.

It is a junction number, because it is equal to n+sod(n) for n = 157401193 and 157401202.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146294 + ... + 147365.

It is an arithmetic number, because the mean of its divisors is an integer number (18720825).

Almost surely, 2^157401224 is an apocalyptic number.

It is an amenable number.

157401224 is a deficient number, since it is larger than the sum of its proper divisors (142131976).

157401224 is a wasteful number, since it uses less digits than its factorization.

157401224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293732 (or 293728 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 157401224 is about 12545.9644507706. The cubic root of 157401224 is about 539.9282300593.

Adding to 157401224 its reverse (422104751), we get a palindrome (579505975).

The spelling of 157401224 in words is "one hundred fifty-seven million, four hundred one thousand, two hundred twenty-four".