46538157 has 24 divisors (see below), whose sum is σ = 65354688. Its totient is φ = 29433600.

The previous prime is 46538153. The next prime is 46538171. The reversal of 46538157 is 75183564.

It is not a de Polignac number, because 46538157 - 2² = 46538153 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46538153) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 637473 + ... + 637545.

It is an arithmetic number, because the mean of its divisors is an integer number (2723112).

Almost surely, 2^46538157 is an apocalyptic number.

It is an amenable number.

46538157 is a deficient number, since it is larger than the sum of its proper divisors (18816531).

46538157 is an equidigital number, since it uses as much as digits as its factorization.

46538157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261 (or 188 counting only the distinct ones).

The product of its digits is 100800, while the sum is 39.

The square root of 46538157 is about 6821.8880817557. Note that the first 3 decimals coincide. The cubic root of 46538157 is about 359.6966503220.

It can be divided in two parts, 46 and 538157, that added together give a triangular number (538203 = T₁₀₃₇).

The spelling of 46538157 in words is "forty-six million, five hundred thirty-eight thousand, one hundred fifty-seven".