157484340 has 216 divisors, whose sum is σ = 537159168. Its totient is φ = 37290240.

The previous prime is 157484339. The next prime is 157484387. The reversal of 157484340 is 43484751.

157484340 is a `hidden beast` number, since 1 + 574 + 8 + 43 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 157484295 and 157484304.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 942937 + ... + 943103.

It is an arithmetic number, because the mean of its divisors is an integer number (2486848).

Almost surely, 2^157484340 is an apocalyptic number.

157484340 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 157484340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (268579584).

157484340 is an abundant number, since it is smaller than the sum of its proper divisors (379674828).

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

157484340 is a wasteful number, since it uses less digits than its factorization.

157484340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239 (or 221 counting only the distinct ones).

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

The square root of 157484340 is about 12549.2764731677. The cubic root of 157484340 is about 540.0232500277.

The spelling of 157484340 in words is "one hundred fifty-seven million, four hundred eighty-four thousand, three hundred forty".