45778756 has 27 divisors (see below), whose sum is σ = 85532349. Its totient is φ = 21434688.

The previous prime is 45778729. The next prime is 45778781. The reversal of 45778756 is 65787754.

It is a happy number.

The square root of 45778756 is 6766.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 35640900 + 10137856 = 5970^2 + 3184^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 229945 + ... + 230143.

Almost surely, 2^45778756 is an apocalyptic number.

45778756 is the 6766-th square number.

It is an amenable number.

45778756 is a deficient number, since it is larger than the sum of its proper divisors (39753593).

45778756 is a wasteful number, since it uses less digits than its factorization.

45778756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436 (or 218 counting only the distinct ones).

The product of its digits is 1646400, while the sum is 49.

The cubic root of 45778756 is about 357.7294232138.

Multiplying 45778756 by its sum of digits (49), we get a square (2243159044 = 47362²).

The spelling of 45778756 in words is "forty-five million, seven hundred seventy-eight thousand, seven hundred fifty-six".