1517246142 has 32 divisors (see below), whose sum is σ = 3142516608. Its totient is φ = 488028576.

The previous prime is 1517246111. The next prime is 1517246149. The reversal of 1517246142 is 2416427151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1517246149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14013 + ... + 56840.

It is an arithmetic number, because the mean of its divisors is an integer number (98203644).

Almost surely, 2^1517246142 is an apocalyptic number.

1517246142 is an abundant number, since it is smaller than the sum of its proper divisors (1625270466).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1517246142 is a wasteful number, since it uses less digits than its factorization.

1517246142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70984.

The product of its digits is 13440, while the sum is 33.

The square root of 1517246142 is about 38951.8438844684. The cubic root of 1517246142 is about 1149.0846255769.

The spelling of 1517246142 in words is "one billion, five hundred seventeen million, two hundred forty-six thousand, one hundred forty-two".