57015146 has 4 divisors (see below), whose sum is σ = 85522722. Its totient is φ = 28507572.

The previous prime is 57015139. The next prime is 57015157. The reversal of 57015146 is 64151075.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 52345225 + 4669921 = 7235^2 + 2161^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14253785 + ... + 14253788.

Almost surely, 2^57015146 is an apocalyptic number.

57015146 is a deficient number, since it is larger than the sum of its proper divisors (28507576).

57015146 is a wasteful number, since it uses less digits than its factorization.

57015146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28507575.

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 57015146 is about 7550.8374370000. The cubic root of 57015146 is about 384.8841974762.

The spelling of 57015146 in words is "fifty-seven million, fifteen thousand, one hundred forty-six".