157484940 has 96 divisors (see below), whose sum is σ = 471744000. Its totient is φ = 39115776.

The previous prime is 157484927. The next prime is 157484941. The reversal of 157484940 is 49484751.

It is a junction number, because it is equal to n+sod(n) for n = 157484892 and 157484901.

It is not an unprimeable number, because it can be changed into a prime (157484941) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 104311 + ... + 105809.

It is an arithmetic number, because the mean of its divisors is an integer number (4914000).

Almost surely, 2^157484940 is an apocalyptic number.

157484940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 157484940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235872000).

157484940 is an abundant number, since it is smaller than the sum of its proper divisors (314259060).

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

157484940 is a wasteful number, since it uses less digits than its factorization.

157484940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1631 (or 1629 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 157484940 is about 12549.3003789056. The cubic root of 157484940 is about 540.0239358389.

The spelling of 157484940 in words is "one hundred fifty-seven million, four hundred eighty-four thousand, nine hundred forty".