45944536 has 32 divisors (see below), whose sum is σ = 94740480. Its totient is φ = 20714400.

The previous prime is 45944533. The next prime is 45944543. The reversal of 45944536 is 63544954.

It is a super-2 number, since 2×45944536² = 4221800776510592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45944531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9121 + ... + 13231.

It is an arithmetic number, because the mean of its divisors is an integer number (2960640).

Almost surely, 2^45944536 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 45944536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47370240).

45944536 is an abundant number, since it is smaller than the sum of its proper divisors (48795944).

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

45944536 is a wasteful number, since it uses less digits than its factorization.

45944536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4255 (or 4251 counting only the distinct ones).

The product of its digits is 259200, while the sum is 40.

The square root of 45944536 is about 6778.2398895288. The cubic root of 45944536 is about 358.1607218169.

The spelling of 45944536 in words is "forty-five million, nine hundred forty-four thousand, five hundred thirty-six".