15445045142 has 8 divisors (see below), whose sum is σ = 23228697000. Its totient is φ = 7702146144.

The previous prime is 15445045141. The next prime is 15445045151. The reversal of 15445045142 is 24154054451.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15445045141) 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, 10187267 + ... + 10188782.

It is an arithmetic number, because the mean of its divisors is an integer number (2903587125).

Almost surely, 2^15445045142 is an apocalyptic number.

15445045142 is a deficient number, since it is larger than the sum of its proper divisors (7783651858).

15445045142 is a wasteful number, since it uses less digits than its factorization.

15445045142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20376430.

The product of its (nonzero) digits is 64000, while the sum is 35.

Adding to 15445045142 its reverse (24154054451), we get a palindrome (39599099593).

The spelling of 15445045142 in words is "fifteen billion, four hundred forty-five million, forty-five thousand, one hundred forty-two".