45540558 has 24 divisors (see below), whose sum is σ = 112767408. Its totient is φ = 13011552.

The previous prime is 45540533. The next prime is 45540559. The reversal of 45540558 is 85504554.

It is a super-3 number, since 3×45540558³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45540559) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 180591 + ... + 180842.

It is an arithmetic number, because the mean of its divisors is an integer number (4698642).

Almost surely, 2^45540558 is an apocalyptic number.

45540558 is an abundant number, since it is smaller than the sum of its proper divisors (67226850).

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

45540558 is a wasteful number, since it uses less digits than its factorization.

45540558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361448 (or 361445 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 36.

The square root of 45540558 is about 6748.3744709374. The cubic root of 45540558 is about 357.1078929124.

The spelling of 45540558 in words is "forty-five million, five hundred forty thousand, five hundred fifty-eight".