45446672 has 10 divisors (see below), whose sum is σ = 88052958. Its totient is φ = 22723328.

The previous prime is 45446671. The next prime is 45446699. The reversal of 45446672 is 27664454.

It can be written as a sum of positive squares in only one way, i.e., 40500496 + 4946176 = 6364^2 + 2224^2 .

It is not an unprimeable number, because it can be changed into a prime (45446671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1420193 + ... + 1420224.

Almost surely, 2^45446672 is an apocalyptic number.

It is an amenable number.

45446672 is a deficient number, since it is larger than the sum of its proper divisors (42606286).

45446672 is a wasteful number, since it uses less digits than its factorization.

45446672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2840425 (or 2840419 counting only the distinct ones).

The product of its digits is 161280, while the sum is 38.

The square root of 45446672 is about 6741.4146883277. The cubic root of 45446672 is about 356.8623206175.

The spelling of 45446672 in words is "forty-five million, four hundred forty-six thousand, six hundred seventy-two".