45420132412 has 24 divisors (see below), whose sum is σ = 81239719680. Its totient is φ = 22209537840.

The previous prime is 45420132409. The next prime is 45420132431. The reversal of 45420132412 is 21423102454.

It is a super-2 number, since 2×45420132412² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 149139 + ... + 336277.

It is an arithmetic number, because the mean of its divisors is an integer number (3384988320).

Almost surely, 2^45420132412 is an apocalyptic number.

It is an amenable number.

45420132412 is a deficient number, since it is larger than the sum of its proper divisors (35819587268).

45420132412 is a wasteful number, since it uses less digits than its factorization.

45420132412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188481 (or 188479 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 45420132412 its reverse (21423102454), we get a palindrome (66843234866).

The spelling of 45420132412 in words is "forty-five billion, four hundred twenty million, one hundred thirty-two thousand, four hundred twelve".