45546490 has 32 divisors (see below), whose sum is σ = 91627200. Its totient is φ = 16156800.

The previous prime is 45546481. The next prime is 45546491. The reversal of 45546490 is 9464554.

It is not an unprimeable number, because it can be changed into a prime (45546491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 540 + ... + 9559.

It is an arithmetic number, because the mean of its divisors is an integer number (2863350).

Almost surely, 2^45546490 is an apocalyptic number.

45546490 is an abundant number, since it is smaller than the sum of its proper divisors (46080710).

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

45546490 is a wasteful number, since it uses less digits than its factorization.

45546490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10158.

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 45546490 is about 6748.8139698765. The cubic root of 45546490 is about 357.1233975683.

It can be divided in two parts, 455464 and 90, that added together give a palindrome (455554).

The spelling of 45546490 in words is "forty-five million, five hundred forty-six thousand, four hundred ninety".