142572618 has 72 divisors (see below), whose sum is σ = 335397348. Its totient is φ = 43732224.

The previous prime is 142572569. The next prime is 142572631. The reversal of 142572618 is 816275241.

142572618 is a `hidden beast` number, since 14 + 25 + 7 + 2 + 618 = 666.

142572618 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 131262849 + 11309769 = 11457^2 + 3363^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 240130 + ... + 240722.

Almost surely, 2^142572618 is an apocalyptic number.

142572618 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 142572618, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167698674).

142572618 is an abundant number, since it is smaller than the sum of its proper divisors (192824730).

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

142572618 is a wasteful number, since it uses less digits than its factorization.

142572618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676 (or 654 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 142572618 is about 11940.3776322192. The cubic root of 142572618 is about 522.4106734348.

The spelling of 142572618 in words is "one hundred forty-two million, five hundred seventy-two thousand, six hundred eighteen".