15245238146 has 8 divisors (see below), whose sum is σ = 23399667984. Its totient is φ = 7445348820.

The previous prime is 15245238137. The next prime is 15245238199. The reversal of 15245238146 is 64183254251.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×15245238146² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88635020 + ... + 88635191.

It is an arithmetic number, because the mean of its divisors is an integer number (2924958498).

Almost surely, 2^15245238146 is an apocalyptic number.

15245238146 is a deficient number, since it is larger than the sum of its proper divisors (8154429838).

15245238146 is a wasteful number, since it uses less digits than its factorization.

15245238146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177270256.

The product of its digits is 230400, while the sum is 41.

The spelling of 15245238146 in words is "fifteen billion, two hundred forty-five million, two hundred thirty-eight thousand, one hundred forty-six".