142055664 has 80 divisors (see below), whose sum is σ = 377904384. Its totient is φ = 45964800.

The previous prime is 142055623. The next prime is 142055687. The reversal of 142055664 is 466550241.

142055664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 248499 + ... + 249069.

Almost surely, 2^142055664 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 142055664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188952192).

142055664 is an abundant number, since it is smaller than the sum of its proper divisors (235848720).

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

142055664 is a wasteful number, since it uses less digits than its factorization.

142055664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726 (or 720 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 142055664 is about 11918.7106685245. The cubic root of 142055664 is about 521.7785058737.

The spelling of 142055664 in words is "one hundred forty-two million, fifty-five thousand, six hundred sixty-four".