157333780 has 12 divisors (see below), whose sum is σ = 330400980. Its totient is φ = 62933504.

The previous prime is 157333753. The next prime is 157333789. The reversal of 157333780 is 87333751.

It can be written as a sum of positive squares in 2 ways, for example, as 42458256 + 114875524 = 6516^2 + 10718^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157333789) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3933325 + ... + 3933364.

It is an arithmetic number, because the mean of its divisors is an integer number (27533415).

Almost surely, 2^157333780 is an apocalyptic number.

157333780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157333780 is an abundant number, since it is smaller than the sum of its proper divisors (173067200).

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

157333780 is a wasteful number, since it uses less digits than its factorization.

157333780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7866698 (or 7866696 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 37.

The square root of 157333780 is about 12543.2762865210. The cubic root of 157333780 is about 539.8511020655.

It can be divided in two parts, 1573 and 33780, that added together give a palindrome (35353).

The spelling of 157333780 in words is "one hundred fifty-seven million, three hundred thirty-three thousand, seven hundred eighty".