15143874451 has 4 divisors (see below), whose sum is σ = 15293813904. Its totient is φ = 14993935000.

The previous prime is 15143874413. The next prime is 15143874467. The reversal of 15143874451 is 15447834151.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 15143874451 - 2¹³ = 15143866259 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15143874398 and 15143874407.

It is not an unprimeable number, because it can be changed into a prime (15143844451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74969575 + ... + 74969776.

It is an arithmetic number, because the mean of its divisors is an integer number (3823453476).

Almost surely, 2^15143874451 is an apocalyptic number.

15143874451 is a deficient number, since it is larger than the sum of its proper divisors (149939453).

15143874451 is a wasteful number, since it uses less digits than its factorization.

15143874451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149939452.

The product of its digits is 268800, while the sum is 43.

The spelling of 15143874451 in words is "fifteen billion, one hundred forty-three million, eight hundred seventy-four thousand, four hundred fifty-one".