146860857 has 80 divisors (see below), whose sum is σ = 266703360. Its totient is φ = 79315200.

The previous prime is 146860801. The next prime is 146860871. The reversal of 146860857 is 758068641.

It is a happy number.

It is not a de Polignac number, because 146860857 - 2²⁴ = 130083641 is a prime.

It is a super-2 number, since 2×146860857² = 43136222637548898, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (146860877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 358869 + ... + 359277.

It is an arithmetic number, because the mean of its divisors is an integer number (3333792).

Almost surely, 2^146860857 is an apocalyptic number.

It is an amenable number.

146860857 is a deficient number, since it is larger than the sum of its proper divisors (119842503).

146860857 is a wasteful number, since it uses less digits than its factorization.

146860857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476 (or 467 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 146860857 is about 12118.6161338661. The cubic root of 146860857 is about 527.5966379555.

The spelling of 146860857 in words is "one hundred forty-six million, eight hundred sixty thousand, eight hundred fifty-seven".