157049280 has 280 divisors, whose sum is σ = 573127632. Its totient is φ = 40808448.

The previous prime is 157049257. The next prime is 157049293. The reversal of 157049280 is 82940751.

157049280 is a `hidden beast` number, since 1 + 570 + 4 + 9 + 2 + 80 = 666.

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

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 39 ways as a sum of consecutive naturals, for example, 1892119 + ... + 1892201.

Almost surely, 2^157049280 is an apocalyptic number.

157049280 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 157049280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (286563816).

157049280 is an abundant number, since it is smaller than the sum of its proper divisors (416078352).

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

157049280 is an equidigital number, since it uses as much as digits as its factorization.

157049280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185 (or 166 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 157049280 is about 12531.9304179364. The cubic root of 157049280 is about 539.5255091192.

The spelling of 157049280 in words is "one hundred fifty-seven million, forty-nine thousand, two hundred eighty".