46143920 has 40 divisors (see below), whose sum is σ = 109318896. Its totient is φ = 18107648.

The previous prime is 46143917. The next prime is 46143941. The reversal of 46143920 is 2934164.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×46143920² = 4258522705932800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1202 + ... + 9681.

Almost surely, 2^46143920 is an apocalyptic number.

46143920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

46143920 is an abundant number, since it is smaller than the sum of its proper divisors (63174976).

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

46143920 is a wasteful number, since it uses less digits than its factorization.

46143920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10949 (or 10943 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 46143920 is about 6792.9316204419. The cubic root of 46143920 is about 358.6780736151.

The spelling of 46143920 in words is "forty-six million, one hundred forty-three thousand, nine hundred twenty".