45221376 has 80 divisors (see below), whose sum is σ = 122760000. Its totient is φ = 14788608.

The previous prime is 45221347. The next prime is 45221389. The reversal of 45221376 is 67312254.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90375 + ... + 90873.

It is an arithmetic number, because the mean of its divisors is an integer number (1534500).

Almost surely, 2^45221376 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 45221376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61380000).

45221376 is an abundant number, since it is smaller than the sum of its proper divisors (77538624).

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

45221376 is an equidigital number, since it uses as much as digits as its factorization.

45221376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579 (or 563 counting only the distinct ones).

The product of its digits is 10080, while the sum is 30.

The square root of 45221376 is about 6724.6840817989. The cubic root of 45221376 is about 356.2716438681.

The spelling of 45221376 in words is "forty-five million, two hundred twenty-one thousand, three hundred seventy-six".