15481227142 has 8 divisors (see below), whose sum is σ = 23225511600. Its totient is φ = 7739389944.

The previous prime is 15481227127. The next prime is 15481227193. The reversal of 15481227142 is 24172218451.

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

It is a congruent number.

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, 595917 + ... + 621352.

It is an arithmetic number, because the mean of its divisors is an integer number (2903188950).

Almost surely, 2^15481227142 is an apocalyptic number.

15481227142 is a deficient number, since it is larger than the sum of its proper divisors (7744284458).

15481227142 is a wasteful number, since it uses less digits than its factorization.

15481227142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223630.

The product of its digits is 35840, while the sum is 37.

The spelling of 15481227142 in words is "fifteen billion, four hundred eighty-one million, two hundred twenty-seven thousand, one hundred forty-two".