46155220 has 24 divisors (see below), whose sum is σ = 97186824. Its totient is φ = 18412416.

The previous prime is 46155173. The next prime is 46155233. The reversal of 46155220 is 2255164.

It can be written as a sum of positive squares in 4 ways, for example, as 10942864 + 35212356 = 3308^2 + 5934^2 .

It is a congruent number.

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, 5034 + ... + 10846.

It is an arithmetic number, because the mean of its divisors is an integer number (4049451).

Almost surely, 2^46155220 is an apocalyptic number.

It is an amenable number.

46155220 is an abundant number, since it is smaller than the sum of its proper divisors (51031604).

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

46155220 is a wasteful number, since it uses less digits than its factorization.

46155220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6219 (or 6217 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 46155220 is about 6793.7633164543. The cubic root of 46155220 is about 358.7073496384.

The spelling of 46155220 in words is "forty-six million, one hundred fifty-five thousand, two hundred twenty".