15342157485 has 32 divisors (see below), whose sum is σ = 28012116480. Its totient is φ = 7961333184.

The previous prime is 15342157471. The next prime is 15342157507. The reversal of 15342157485 is 58475124351.

15342157485 is a `hidden beast` number, since 1 + 53 + 4 + 21 + 574 + 8 + 5 = 666.

It is not a de Polignac number, because 15342157485 - 2⁴ = 15342157469 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 15342157485.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1530757 + ... + 1540746.

It is an arithmetic number, because the mean of its divisors is an integer number (875378640).

Almost surely, 2^15342157485 is an apocalyptic number.

15342157485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15342157485 is a deficient number, since it is larger than the sum of its proper divisors (12669958995).

15342157485 is a wasteful number, since it uses less digits than its factorization.

15342157485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3071554 (or 3071548 counting only the distinct ones).

The product of its digits is 672000, while the sum is 45.

The spelling of 15342157485 in words is "fifteen billion, three hundred forty-two million, one hundred fifty-seven thousand, four hundred eighty-five".