45951572 has 6 divisors (see below), whose sum is σ = 80415258. Its totient is φ = 22975784.

The previous prime is 45951551. The next prime is 45951589. The reversal of 45951572 is 27515954.

It is a happy number.

45951572 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 42432196 + 3519376 = 6514^2 + 1876^2 .

It is a super-2 number, since 2×45951572² = 4223093938542368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5743943 + ... + 5743950.

It is an arithmetic number, because the mean of its divisors is an integer number (13402543).

Almost surely, 2^45951572 is an apocalyptic number.

It is an amenable number.

45951572 is a deficient number, since it is larger than the sum of its proper divisors (34463686).

45951572 is a wasteful number, since it uses less digits than its factorization.

45951572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11487897 (or 11487895 counting only the distinct ones).

The product of its digits is 63000, while the sum is 38.

The square root of 45951572 is about 6778.7588834535. The cubic root of 45951572 is about 358.1790039343.

The spelling of 45951572 in words is "forty-five million, nine hundred fifty-one thousand, five hundred seventy-two".