15040323142 has 8 divisors (see below), whose sum is σ = 24295906656. Its totient is φ = 6941687592.

The previous prime is 15040323073. The next prime is 15040323149. The reversal of 15040323142 is 24132304051.

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

It is a super-2 number, since 2×15040323142² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15040323149) 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, 289236958 + ... + 289237009.

It is an arithmetic number, because the mean of its divisors is an integer number (3036988332).

Almost surely, 2^15040323142 is an apocalyptic number.

15040323142 is a deficient number, since it is larger than the sum of its proper divisors (9255583514).

15040323142 is a wasteful number, since it uses less digits than its factorization.

15040323142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578473982.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 15040323142 its reverse (24132304051), we get a palindrome (39172627193).

The spelling of 15040323142 in words is "fifteen billion, forty million, three hundred twenty-three thousand, one hundred forty-two".