45290540 has 24 divisors (see below), whose sum is σ = 95528160. Its totient is φ = 18036608.

The previous prime is 45290491. The next prime is 45290543. The reversal of 45290540 is 4509254.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (45290543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200 + ... + 9519.

It is an arithmetic number, because the mean of its divisors is an integer number (3980340).

Almost surely, 2^45290540 is an apocalyptic number.

It is an amenable number.

45290540 is an abundant number, since it is smaller than the sum of its proper divisors (50237620).

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

45290540 is a wasteful number, since it uses less digits than its factorization.

45290540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9961 (or 9959 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 45290540 is about 6729.8246633921. The cubic root of 45290540 is about 356.4531850057.

Adding to 45290540 its reverse (4509254), we get a palindrome (49799794).

The spelling of 45290540 in words is "forty-five million, two hundred ninety thousand, five hundred forty".