45021412 has 12 divisors (see below), whose sum is σ = 82934320. Its totient is φ = 21325896.

The previous prime is 45021407. The next prime is 45021463. The reversal of 45021412 is 21412054.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 45021412.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 296118 + ... + 296269.

Almost surely, 2^45021412 is an apocalyptic number.

It is an amenable number.

45021412 is a deficient number, since it is larger than the sum of its proper divisors (37912908).

45021412 is a wasteful number, since it uses less digits than its factorization.

45021412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592410 (or 592408 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 45021412 is about 6709.7996989478. The cubic root of 45021412 is about 355.7457364661.

Adding to 45021412 its reverse (21412054), we get a palindrome (66433466).

The spelling of 45021412 in words is "forty-five million, twenty-one thousand, four hundred twelve".