57343149 has 24 divisors (see below), whose sum is σ = 87340032. Its totient is φ = 36200160.

The previous prime is 57343141. The next prime is 57343157. The reversal of 57343149 is 94134375.

57343149 is a `hidden beast` number, since 573 + 43 + 1 + 49 = 666.

It is an interprime number because it is at equal distance from previous prime (57343141) and next prime (57343157).

It is not a de Polignac number, because 57343149 - 2³ = 57343141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57343141) by changing a digit.

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 in 23 ways as a sum of consecutive naturals, for example, 10927 + ... + 15299.

It is an arithmetic number, because the mean of its divisors is an integer number (3639168).

Almost surely, 2^57343149 is an apocalyptic number.

It is an amenable number.

57343149 is a deficient number, since it is larger than the sum of its proper divisors (29996883).

57343149 is a wasteful number, since it uses less digits than its factorization.

57343149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4457 (or 4454 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 57343149 is about 7572.5259326066. The cubic root of 57343149 is about 385.6208546776.

It can be divided in two parts, 57 and 343149, that added together give a triangular number (343206 = T₈₂₈).

The spelling of 57343149 in words is "fifty-seven million, three hundred forty-three thousand, one hundred forty-nine".