142257412 has 24 divisors (see below), whose sum is σ = 280949760. Its totient is φ = 62432160.

The previous prime is 142257403. The next prime is 142257421. The reversal of 142257412 is 214752241.

It is an interprime number because it is at equal distance from previous prime (142257403) and next prime (142257421).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54468 + ... + 57019.

It is an arithmetic number, because the mean of its divisors is an integer number (11706240).

Almost surely, 2^142257412 is an apocalyptic number.

It is an amenable number.

142257412 is a deficient number, since it is larger than the sum of its proper divisors (138692348).

142257412 is a wasteful number, since it uses less digits than its factorization.

142257412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111531 (or 111529 counting only the distinct ones).

The product of its digits is 4480, while the sum is 28.

The square root of 142257412 is about 11927.1711650332. The cubic root of 142257412 is about 522.0253996439.

The spelling of 142257412 in words is "one hundred forty-two million, two hundred fifty-seven thousand, four hundred twelve".