46158140 has 48 divisors (see below), whose sum is σ = 114609600. Its totient is φ = 15278592.

The previous prime is 46158139. The next prime is 46158143. The reversal of 46158140 is 4185164.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46158143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1625 + ... + 9744.

It is an arithmetic number, because the mean of its divisors is an integer number (2387700).

Almost surely, 2^46158140 is an apocalyptic number.

It is an amenable number.

46158140 is an abundant number, since it is smaller than the sum of its proper divisors (68451460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

46158140 is a wasteful number, since it uses less digits than its factorization.

46158140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11414 (or 11412 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 46158140 is about 6793.9782160381. The cubic root of 46158140 is about 358.7149139931.

The spelling of 46158140 in words is "forty-six million, one hundred fifty-eight thousand, one hundred forty".