142975119 has 32 divisors (see below), whose sum is σ = 222509056. Its totient is φ = 79976160.

The previous prime is 142975111. The next prime is 142975121. The reversal of 142975119 is 911579241.

It is not a de Polignac number, because 142975119 - 2³ = 142975111 is a prime.

It is a super-2 number, since 2×142975119² = 40883769306128322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142975111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 431784 + ... + 432114.

It is an arithmetic number, because the mean of its divisors is an integer number (6953408).

Almost surely, 2^142975119 is an apocalyptic number.

142975119 is a deficient number, since it is larger than the sum of its proper divisors (79533937).

142975119 is a wasteful number, since it uses less digits than its factorization.

142975119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715.

The product of its digits is 22680, while the sum is 39.

The square root of 142975119 is about 11957.2203709725. The cubic root of 142975119 is about 522.9018225705.

The spelling of 142975119 in words is "one hundred forty-two million, nine hundred seventy-five thousand, one hundred nineteen".