45373986 has 128 divisors (see below), whose sum is σ = 127733760. Its totient is φ = 11632896.

The previous prime is 45373973. The next prime is 45373997. The reversal of 45373986 is 68937354.

45373986 is a `hidden beast` number, since 4 + 537 + 39 + 86 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 147645 + ... + 147951.

It is an arithmetic number, because the mean of its divisors is an integer number (997920).

Almost surely, 2^45373986 is an apocalyptic number.

45373986 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 45373986, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63866880).

45373986 is an abundant number, since it is smaller than the sum of its proper divisors (82359774).

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

45373986 is a wasteful number, since it uses less digits than its factorization.

45373986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365 (or 359 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 45373986 is about 6736.0215260939. The cubic root of 45373986 is about 356.6719675846.

The spelling of 45373986 in words is "forty-five million, three hundred seventy-three thousand, nine hundred eighty-six".