45012210 has 16 divisors (see below), whose sum is σ = 108029376. Its totient is φ = 12003248.

The previous prime is 45012203. The next prime is 45012241. The reversal of 45012210 is 1221054.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 45012210.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 750174 + ... + 750233.

It is an arithmetic number, because the mean of its divisors is an integer number (6751836).

Almost surely, 2^45012210 is an apocalyptic number.

45012210 is an abundant number, since it is smaller than the sum of its proper divisors (63017166).

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

45012210 is a wasteful number, since it uses less digits than its factorization.

45012210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1500417.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 45012210 is about 6709.1139504408. The cubic root of 45012210 is about 355.7214976637.

Adding to 45012210 its reverse (1221054), we get a palindrome (46233264).

The spelling of 45012210 in words is "forty-five million, twelve thousand, two hundred ten".