142266564 has 96 divisors (see below), whose sum is σ = 415457280. Its totient is φ = 41709600.

The previous prime is 142266559. The next prime is 142266571. The reversal of 142266564 is 465662241.

142266564 is a `hidden beast` number, since 14 + 22 + 66 + 564 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34897 + ... + 38759.

It is an arithmetic number, because the mean of its divisors is an integer number (4327680).

Almost surely, 2^142266564 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 142266564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207728640).

142266564 is an abundant number, since it is smaller than the sum of its proper divisors (273190716).

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

142266564 is a wasteful number, since it uses less digits than its factorization.

142266564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3918 (or 3910 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 142266564 is about 11927.5548206663. The cubic root of 142266564 is about 522.0365940788.

The spelling of 142266564 in words is "one hundred forty-two million, two hundred sixty-six thousand, five hundred sixty-four".