157038492 has 48 divisors (see below), whose sum is σ = 396341792. Its totient is φ = 48107520.

The previous prime is 157038463. The next prime is 157038499. The reversal of 157038492 is 294830751.

It is a super-2 number, since 2×157038492² = 49322175939268128, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 157038492.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157038499) 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, 35508 + ... + 39684.

Almost surely, 2^157038492 is an apocalyptic number.

157038492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is a pronic number, being equal to 12531×12532.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 157038492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198170896).

157038492 is an abundant number, since it is smaller than the sum of its proper divisors (239303300).

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

157038492 is a wasteful number, since it uses less digits than its factorization.

157038492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4438 (or 4436 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 157038492 is about 12531.4999900251. The cubic root of 157038492 is about 539.5131551742.

The spelling of 157038492 in words is "one hundred fifty-seven million, thirty-eight thousand, four hundred ninety-two".