157310330 has 32 divisors (see below), whose sum is σ = 289578240. Its totient is φ = 61513920.

The previous prime is 157310311. The next prime is 157310341. The reversal of 157310330 is 33013751.

157310330 = T₁₉₅₆ + T₁₉₅₇ + ... + T₂₀₃₄.

It is a happy number.

157310330 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 157310296 and 157310305.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83600 + ... + 85460.

It is an arithmetic number, because the mean of its divisors is an integer number (9049320).

Almost surely, 2^157310330 is an apocalyptic number.

157310330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157310330 is a deficient number, since it is larger than the sum of its proper divisors (132267910).

157310330 is a wasteful number, since it uses less digits than its factorization.

157310330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2054.

The product of its (nonzero) digits is 945, while the sum is 23.

The square root of 157310330 is about 12542.3414879360. The cubic root of 157310330 is about 539.8242798168.

The spelling of 157310330 in words is "one hundred fifty-seven million, three hundred ten thousand, three hundred thirty".