45402512450 has 12 divisors (see below), whose sum is σ = 84448673250. Its totient is φ = 18161004960.

The previous prime is 45402512443. The next prime is 45402512453. The reversal of 45402512450 is 5421520454.

It can be written as a sum of positive squares in 3 ways, for example, as 31675812529 + 13726699921 = 177977^2 + 117161^2 .

It is a super-2 number, since 2×45402512450² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45402512453) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 454025075 + ... + 454025174.

Almost surely, 2^45402512450 is an apocalyptic number.

45402512450 is a deficient number, since it is larger than the sum of its proper divisors (39046160800).

45402512450 is a wasteful number, since it uses less digits than its factorization.

45402512450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908050261 (or 908050256 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 32.

The spelling of 45402512450 in words is "forty-five billion, four hundred two million, five hundred twelve thousand, four hundred fifty".