45477432 has 192 divisors, whose sum is σ = 165634560. Its totient is φ = 10886400.

The previous prime is 45477413. The next prime is 45477433. The reversal of 45477432 is 23477454.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45477433) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 71757 + ... + 72387.

It is an arithmetic number, because the mean of its divisors is an integer number (862680).

Almost surely, 2^45477432 is an apocalyptic number.

45477432 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 45477432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82817280).

45477432 is an abundant number, since it is smaller than the sum of its proper divisors (120157128).

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

45477432 is a wasteful number, since it uses less digits than its factorization.

45477432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674 (or 667 counting only the distinct ones).

The product of its digits is 94080, while the sum is 36.

The square root of 45477432 is about 6743.6957226731. The cubic root of 45477432 is about 356.9428150290.

The spelling of 45477432 in words is "forty-five million, four hundred seventy-seven thousand, four hundred thirty-two".