45537340 has 12 divisors (see below), whose sum is σ = 95628456. Its totient is φ = 18214928.

The previous prime is 45537277. The next prime is 45537397. The reversal of 45537340 is 4373554.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1138414 + ... + 1138453.

It is an arithmetic number, because the mean of its divisors is an integer number (7969038).

Almost surely, 2^45537340 is an apocalyptic number.

It is an amenable number.

45537340 is an abundant number, since it is smaller than the sum of its proper divisors (50091116).

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

45537340 is a wasteful number, since it uses less digits than its factorization.

45537340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2276876 (or 2276874 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 31.

The square root of 45537340 is about 6748.1360389370. The cubic root of 45537340 is about 357.0994813607.

The spelling of 45537340 in words is "forty-five million, five hundred thirty-seven thousand, three hundred forty".