157333778 has 16 divisors (see below), whose sum is σ = 271075200. Its totient is φ = 67088736.

The previous prime is 157333753. The next prime is 157333789. The reversal of 157333778 is 877333751.

157333778 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon 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 7 ways as a sum of consecutive naturals, for example, 25451 + ... + 31022.

It is an arithmetic number, because the mean of its divisors is an integer number (16942200).

Almost surely, 2^157333778 is an apocalyptic number.

157333778 is a deficient number, since it is larger than the sum of its proper divisors (113741422).

157333778 is a wasteful number, since it uses less digits than its factorization.

157333778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56681.

The product of its digits is 370440, while the sum is 44.

The square root of 157333778 is about 12543.2762067970. The cubic root of 157333778 is about 539.8510997780.

The spelling of 157333778 in words is "one hundred fifty-seven million, three hundred thirty-three thousand, seven hundred seventy-eight".