15142345451 has 12 divisors (see below), whose sum is σ = 16279293912. Its totient is φ = 14079890688.

The previous prime is 15142345433. The next prime is 15142345483. The reversal of 15142345451 is 15454324151.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-15142345451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15142345411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 291650 + ... + 339623.

It is an arithmetic number, because the mean of its divisors is an integer number (1356607826).

Almost surely, 2^15142345451 is an apocalyptic number.

15142345451 is a deficient number, since it is larger than the sum of its proper divisors (1136948461).

15142345451 is an equidigital number, since it uses as much as digits as its factorization.

15142345451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631390 (or 631373 counting only the distinct ones).

The product of its digits is 48000, while the sum is 35.

The spelling of 15142345451 in words is "fifteen billion, one hundred forty-two million, three hundred forty-five thousand, four hundred fifty-one".