45012253450 has 48 divisors (see below), whose sum is σ = 86020119360. Its totient is φ = 17517150720.

The previous prime is 45012253439. The next prime is 45012253469. The reversal of 45012253450 is 5435221054.

It is a super-2 number, since 2×45012253450² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 207499 + ... + 364801.

It is an arithmetic number, because the mean of its divisors is an integer number (1792085820).

Almost surely, 2^45012253450 is an apocalyptic number.

45012253450 is a deficient number, since it is larger than the sum of its proper divisors (41007865910).

45012253450 is a wasteful number, since it uses less digits than its factorization.

45012253450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157471 (or 157466 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

The spelling of 45012253450 in words is "forty-five billion, twelve million, two hundred fifty-three thousand, four hundred fifty".