15445461451 has 24 divisors (see below), whose sum is σ = 18810807120. Its totient is φ = 12628348992.

The previous prime is 15445461443. The next prime is 15445461467. The reversal of 15445461451 is 15416454451.

It is not a de Polignac number, because 15445461451 - 2³ = 15445461443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15445461491) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52465 + ... + 183421.

It is an arithmetic number, because the mean of its divisors is an integer number (783783630).

Almost surely, 2^15445461451 is an apocalyptic number.

15445461451 is a deficient number, since it is larger than the sum of its proper divisors (3365345669).

15445461451 is a wasteful number, since it uses less digits than its factorization.

15445461451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131083 (or 131076 counting only the distinct ones).

The product of its digits is 192000, while the sum is 40.

The spelling of 15445461451 in words is "fifteen billion, four hundred forty-five million, four hundred sixty-one thousand, four hundred fifty-one".