146994057 has 12 divisors (see below), whose sum is σ = 242656960. Its totient is φ = 83996568.

The previous prime is 146994037. The next prime is 146994059. The reversal of 146994057 is 750499641.

It is not a de Polignac number, because 146994057 - 2⁸ = 146993801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (146994059) 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 11 ways as a sum of consecutive naturals, for example, 1166557 + ... + 1166682.

Almost surely, 2^146994057 is an apocalyptic number.

It is an amenable number.

146994057 is a deficient number, since it is larger than the sum of its proper divisors (95662903).

146994057 is a wasteful number, since it uses less digits than its factorization.

146994057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2333252 (or 2333249 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 146994057 is about 12124.1105653157. The cubic root of 146994057 is about 527.7560964570.

The spelling of 146994057 in words is "one hundred forty-six million, nine hundred ninety-four thousand, fifty-seven".