45387456 has 56 divisors (see below), whose sum is σ = 123352560. Its totient is φ = 14717952.

The previous prime is 45387443. The next prime is 45387457. The reversal of 45387456 is 65478354.

It is not an unprimeable number, because it can be changed into a prime (45387457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3910 + ... + 10298.

Almost surely, 2^45387456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45387456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61676280).

45387456 is an abundant number, since it is smaller than the sum of its proper divisors (77965104).

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

45387456 is a wasteful number, since it uses less digits than its factorization.

45387456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6441 (or 6431 counting only the distinct ones).

The product of its digits is 403200, while the sum is 42.

The square root of 45387456 is about 6737.0213002484. The cubic root of 45387456 is about 356.7072587024.

The spelling of 45387456 in words is "forty-five million, three hundred eighty-seven thousand, four hundred fifty-six".