142251164 has 12 divisors (see below), whose sum is σ = 271570488. Its totient is φ = 64659600.

The previous prime is 142251163. The next prime is 142251167. The reversal of 142251164 is 461152241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142251163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1616447 + ... + 1616534.

It is an arithmetic number, because the mean of its divisors is an integer number (22630874).

Almost surely, 2^142251164 is an apocalyptic number.

It is an amenable number.

142251164 is a deficient number, since it is larger than the sum of its proper divisors (129319324).

142251164 is a wasteful number, since it uses less digits than its factorization.

142251164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3232996 (or 3232994 counting only the distinct ones).

The product of its digits is 1920, while the sum is 26.

The square root of 142251164 is about 11926.9092391952. The cubic root of 142251164 is about 522.0177570135.

The spelling of 142251164 in words is "one hundred forty-two million, two hundred fifty-one thousand, one hundred sixty-four".