45211580 has 24 divisors (see below), whose sum is σ = 98219520. Its totient is φ = 17460800.

The previous prime is 45211571. The next prime is 45211589. The reversal of 45211580 is 8511254.

It is an interprime number because it is at equal distance from previous prime (45211571) and next prime (45211589).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45211589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38396 + ... + 39555.

It is an arithmetic number, because the mean of its divisors is an integer number (4092480).

Almost surely, 2^45211580 is an apocalyptic number.

It is an amenable number.

45211580 is an abundant number, since it is smaller than the sum of its proper divisors (53007940).

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

45211580 is a wasteful number, since it uses less digits than its factorization.

45211580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77989 (or 77987 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 26.

The square root of 45211580 is about 6723.9556809961. The cubic root of 45211580 is about 356.2459164403.

The spelling of 45211580 in words is "forty-five million, two hundred eleven thousand, five hundred eighty".