142515975 has 96 divisors (see below), whose sum is σ = 282839040. Its totient is φ = 61971840.

The previous prime is 142515973. The next prime is 142515983. The reversal of 142515975 is 579515241.

It is not a de Polignac number, because 142515975 - 2¹ = 142515973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142515973) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1331872 + ... + 1331978.

It is an arithmetic number, because the mean of its divisors is an integer number (2946240).

Almost surely, 2^142515975 is an apocalyptic number.

142515975 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

142515975 is a deficient number, since it is larger than the sum of its proper divisors (140323065).

142515975 is a wasteful number, since it uses less digits than its factorization.

142515975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229 (or 224 counting only the distinct ones).

The product of its digits is 63000, while the sum is 39.

The square root of 142515975 is about 11938.0054866799. The cubic root of 142515975 is about 522.3414810289.

The spelling of 142515975 in words is "one hundred forty-two million, five hundred fifteen thousand, nine hundred seventy-five".