45426472 has 64 divisors (see below), whose sum is σ = 109428480. Its totient is φ = 17183232.

The previous prime is 45426443. The next prime is 45426509. The reversal of 45426472 is 27462454.

It is a super-4 number, since 4×45426472⁴ (a number of 32 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15388 + ... + 18100.

It is an arithmetic number, because the mean of its divisors is an integer number (1709820).

Almost surely, 2^45426472 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 45426472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54714240).

45426472 is an abundant number, since it is smaller than the sum of its proper divisors (64002008).

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

45426472 is a wasteful number, since it uses less digits than its factorization.

45426472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2762 (or 2758 counting only the distinct ones).

The product of its digits is 53760, while the sum is 34.

The square root of 45426472 is about 6739.9163199553. The cubic root of 45426472 is about 356.8094404186.

The spelling of 45426472 in words is "forty-five million, four hundred twenty-six thousand, four hundred seventy-two".