45981860 has 12 divisors (see below), whose sum is σ = 96561948. Its totient is φ = 18392736.

The previous prime is 45981857. The next prime is 45981863. The reversal of 45981860 is 6818954.

It is an interprime number because it is at equal distance from previous prime (45981857) and next prime (45981863).

It can be written as a sum of positive squares in 2 ways, for example, as 21141604 + 24840256 = 4598^2 + 4984^2 .

It is a super-2 number, since 2×45981860² = 4228662898119200, which contains 22 as substring.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (45981863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1149527 + ... + 1149566.

It is an arithmetic number, because the mean of its divisors is an integer number (8046829).

Almost surely, 2^45981860 is an apocalyptic number.

It is an amenable number.

45981860 is an abundant number, since it is smaller than the sum of its proper divisors (50580088).

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

45981860 is a wasteful number, since it uses less digits than its factorization.

45981860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2299102 (or 2299100 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 45981860 is about 6780.9925527167. The cubic root of 45981860 is about 358.2576820045.

The spelling of 45981860 in words is "forty-five million, nine hundred eighty-one thousand, eight hundred sixty".