45778252 has 24 divisors (see below), whose sum is σ = 86458736. Its totient is φ = 21083328.

The previous prime is 45778237. The next prime is 45778253. The reversal of 45778252 is 25287754.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (45778253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45418 + ... + 46414.

Almost surely, 2^45778252 is an apocalyptic number.

It is an amenable number.

45778252 is a deficient number, since it is larger than the sum of its proper divisors (40680484).

45778252 is a wasteful number, since it uses less digits than its factorization.

45778252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1897 (or 1895 counting only the distinct ones).

The product of its digits is 156800, while the sum is 40.

The square root of 45778252 is about 6765.9627548487. The cubic root of 45778252 is about 357.7281104048.

The spelling of 45778252 in words is "forty-five million, seven hundred seventy-eight thousand, two hundred fifty-two".