142764864 has 112 divisors (see below), whose sum is σ = 430133760. Its totient is φ = 41367040.

The previous prime is 142764847. The next prime is 142764877. The reversal of 142764864 is 468467241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47107 + ... + 50045.

It is an arithmetic number, because the mean of its divisors is an integer number (3840480).

Almost surely, 2^142764864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142764864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215066880).

142764864 is an abundant number, since it is smaller than the sum of its proper divisors (287368896).

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

142764864 is a wasteful number, since it uses less digits than its factorization.

142764864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2988 (or 2978 counting only the distinct ones).

The product of its digits is 258048, while the sum is 42.

The square root of 142764864 is about 11948.4251681969. The cubic root of 142764864 is about 522.6453754805.

The spelling of 142764864 in words is "one hundred forty-two million, seven hundred sixty-four thousand, eight hundred sixty-four".