15342542147 has 2 divisors, whose sum is σ = 15342542148. Its totient is φ = 15342542146.

The previous prime is 15342542129. The next prime is 15342542167. The reversal of 15342542147 is 74124524351.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15342542147 - 2¹² = 15342538051 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15342542147.

It is not a weakly prime, because it can be changed into another prime (15342542107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7671271073 + 7671271074.

It is an arithmetic number, because the mean of its divisors is an integer number (7671271074).

Almost surely, 2^15342542147 is an apocalyptic number.

15342542147 is a deficient number, since it is larger than the sum of its proper divisors (1).

15342542147 is an equidigital number, since it uses as much as digits as its factorization.

15342542147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 134400, while the sum is 38.

The spelling of 15342542147 in words is "fifteen billion, three hundred forty-two million, five hundred forty-two thousand, one hundred forty-seven".