45447426 has 64 divisors (see below), whose sum is σ = 110453760. Its totient is φ = 13789440.

The previous prime is 45447419. The next prime is 45447427. The reversal of 45447426 is 62474454.

It is not an unprimeable number, because it can be changed into a prime (45447427) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27660 + ... + 29256.

It is an arithmetic number, because the mean of its divisors is an integer number (1725840).

Almost surely, 2^45447426 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45447426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55226880).

45447426 is an abundant number, since it is smaller than the sum of its proper divisors (65006334).

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

45447426 is a wasteful number, since it uses less digits than its factorization.

45447426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1656 (or 1650 counting only the distinct ones).

The product of its digits is 107520, while the sum is 36.

The square root of 45447426 is about 6741.4706110759. The cubic root of 45447426 is about 356.8642941592.

The spelling of 45447426 in words is "forty-five million, four hundred forty-seven thousand, four hundred twenty-six".