2451145443504 has 40 divisors (see below), whose sum is σ = 6332929970112. Its totient is φ = 816944708160.

The previous prime is 2451145443503. The next prime is 2451145443541. The reversal of 2451145443504 is 4053445411542.

It is a super-2 number, since 2×2451145443504² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2451145443503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2860582 + ... + 3617349.

Almost surely, 2^{2451145443504} is an apocalyptic number.

2451145443504 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2451145443504 is an abundant number, since it is smaller than the sum of its proper divisors (3881784526608).

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

2451145443504 is a wasteful number, since it uses less digits than its factorization.

2451145443504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6485825 (or 6485819 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 42.

The spelling of 2451145443504 in words is "two trillion, four hundred fifty-one billion, one hundred forty-five million, four hundred forty-three thousand, five hundred four".