52146157 has 8 divisors (see below), whose sum is σ = 63101376. Its totient is φ = 42067392.

The previous prime is 52146139. The next prime is 52146169. The reversal of 52146157 is 75164125.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52146157 is a prime.

It is a super-4 number, since 4×52146157⁴ (a number of 32 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52146187) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218983 + ... + 219220.

It is an arithmetic number, because the mean of its divisors is an integer number (7887672).

Almost surely, 2^52146157 is an apocalyptic number.

It is an amenable number.

52146157 is a deficient number, since it is larger than the sum of its proper divisors (10955219).

52146157 is a wasteful number, since it uses less digits than its factorization.

52146157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438227.

The product of its digits is 8400, while the sum is 31.

The square root of 52146157 is about 7221.2296044372. The cubic root of 52146157 is about 373.6004889626.

The spelling of 52146157 in words is "fifty-two million, one hundred forty-six thousand, one hundred fifty-seven".