142897164 has 24 divisors (see below), whose sum is σ = 333872448. Its totient is φ = 47568720.

The previous prime is 142897163. The next prime is 142897207. The reversal of 142897164 is 461798241.

It is not an unprimeable number, because it can be changed into a prime (142897163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1879 + ... + 17009.

It is an arithmetic number, because the mean of its divisors is an integer number (13911352).

Almost surely, 2^142897164 is an apocalyptic number.

It is an amenable number.

142897164 is an abundant number, since it is smaller than the sum of its proper divisors (190975284).

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

142897164 is a wasteful number, since it uses less digits than its factorization.

142897164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15925 (or 15923 counting only the distinct ones).

The product of its digits is 96768, while the sum is 42.

The square root of 142897164 is about 11953.9601806263. The cubic root of 142897164 is about 522.8067705490.

The spelling of 142897164 in words is "one hundred forty-two million, eight hundred ninety-seven thousand, one hundred sixty-four".