157863472 has 40 divisors (see below), whose sum is σ = 340759440. Its totient is φ = 70344960.

The previous prime is 157863469. The next prime is 157863473. The reversal of 157863472 is 274368751.

It is a super-3 number, since 3×157863472³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (157863473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7054 + ... + 19117.

It is an arithmetic number, because the mean of its divisors is an integer number (8518986).

Almost surely, 2^157863472 is an apocalyptic number.

It is an amenable number.

157863472 is an abundant number, since it is smaller than the sum of its proper divisors (182895968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157863472 is a wasteful number, since it uses less digits than its factorization.

157863472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26221 (or 26215 counting only the distinct ones).

The product of its digits is 282240, while the sum is 43.

The square root of 157863472 is about 12564.3731240361. The cubic root of 157863472 is about 540.4562581929.

The spelling of 157863472 in words is "one hundred fifty-seven million, eight hundred sixty-three thousand, four hundred seventy-two".