45736540 has 12 divisors (see below), whose sum is σ = 96046776. Its totient is φ = 18294608.

The previous prime is 45736517. The next prime is 45736547. The reversal of 45736540 is 4563754.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 45736496 and 45736505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45736547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1143394 + ... + 1143433.

It is an arithmetic number, because the mean of its divisors is an integer number (8003898).

Almost surely, 2^45736540 is an apocalyptic number.

It is an amenable number.

45736540 is an abundant number, since it is smaller than the sum of its proper divisors (50310236).

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

45736540 is a wasteful number, since it uses less digits than its factorization.

45736540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2286836 (or 2286834 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 34.

The square root of 45736540 is about 6762.8795642093. The cubic root of 45736540 is about 357.6194264146.

The spelling of 45736540 in words is "forty-five million, seven hundred thirty-six thousand, five hundred forty".