45135412 has 48 divisors (see below), whose sum is σ = 97632640. Its totient is φ = 17822592.

The previous prime is 45135403. The next prime is 45135437. The reversal of 45135412 is 21453154.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18538 + ... + 20830.

Almost surely, 2^45135412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45135412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48816320).

45135412 is an abundant number, since it is smaller than the sum of its proper divisors (52497228).

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

45135412 is a wasteful number, since it uses less digits than its factorization.

45135412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2360 (or 2358 counting only the distinct ones).

The product of its digits is 2400, while the sum is 25.

The square root of 45135412 is about 6718.2893656049. The cubic root of 45135412 is about 356.0457480240.

Adding to 45135412 its reverse (21453154), we get a palindrome (66588566).

The spelling of 45135412 in words is "forty-five million, one hundred thirty-five thousand, four hundred twelve".