45149652 has 18 divisors (see below), whose sum is σ = 114128378. Its totient is φ = 15049872.

The previous prime is 45149647. The next prime is 45149669. The reversal of 45149652 is 25694154.

45149652 is a `hidden beast` number, since 4 + 514 + 96 + 52 = 666.

It can be written as a sum of positive squares in only one way, i.e., 34999056 + 10150596 = 5916^2 + 3186^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×45149652² = 4076982151442208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1254157 = 45149652 / (4 + 5 + 1 + 4 + 9 + 6 + 5 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 627043 + ... + 627114.

Almost surely, 2^45149652 is an apocalyptic number.

It is an amenable number.

45149652 is an abundant number, since it is smaller than the sum of its proper divisors (68978726).

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

45149652 is a wasteful number, since it uses less digits than its factorization.

45149652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1254167 (or 1254162 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 45149652 is about 6719.3490756174. The cubic root of 45149652 is about 356.0831876464.

The spelling of 45149652 in words is "forty-five million, one hundred forty-nine thousand, six hundred fifty-two".