142346864 has 20 divisors (see below), whose sum is σ = 300869880. Its totient is φ = 64703040.

The previous prime is 142346857. The next prime is 142346969. The reversal of 142346864 is 468643241.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 404219 + ... + 404570.

It is an arithmetic number, because the mean of its divisors is an integer number (15043494).

Almost surely, 2^142346864 is an apocalyptic number.

It is an amenable number.

142346864 is an abundant number, since it is smaller than the sum of its proper divisors (158523016).

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

142346864 is a wasteful number, since it uses less digits than its factorization.

142346864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808808 (or 808802 counting only the distinct ones).

The product of its digits is 110592, while the sum is 38.

The square root of 142346864 is about 11930.9205009505. The cubic root of 142346864 is about 522.1347939014.

The spelling of 142346864 in words is "one hundred forty-two million, three hundred forty-six thousand, eight hundred sixty-four".