45316992 has 128 divisors (see below), whose sum is σ = 143746560. Its totient is φ = 12367872.

The previous prime is 45316981. The next prime is 45317011. The reversal of 45316992 is 29961354.

45316992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (128).

It is a self number, because there is not a number n which added to its sum of digits gives 45316992.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61458 + ... + 62190.

It is an arithmetic number, because the mean of its divisors is an integer number (1123020).

Almost surely, 2^45316992 is an apocalyptic number.

45316992 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45316992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71873280).

45316992 is an abundant number, since it is smaller than the sum of its proper divisors (98429568).

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

45316992 is a wasteful number, since it uses less digits than its factorization.

45316992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780 (or 768 counting only the distinct ones).

The product of its digits is 58320, while the sum is 39.

The square root of 45316992 is about 6731.7896580330. The cubic root of 45316992 is about 356.5225671519.

The spelling of 45316992 in words is "forty-five million, three hundred sixteen thousand, nine hundred ninety-two".