142302888 has 192 divisors, whose sum is σ = 487992960. Its totient is φ = 36453888.

The previous prime is 142302877. The next prime is 142302889. The reversal of 142302888 is 888203241.

It is a happy number.

It is a super-2 number, since 2×142302888² = 40500223866281088, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (142302889) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 242131 + ... + 242717.

It is an arithmetic number, because the mean of its divisors is an integer number (2541630).

Almost surely, 2^142302888 is an apocalyptic number.

142302888 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142302888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243996480).

142302888 is an abundant number, since it is smaller than the sum of its proper divisors (345690072).

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

142302888 is a wasteful number, since it uses less digits than its factorization.

142302888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656 (or 649 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 142302888 is about 11929.0774161290. The cubic root of 142302888 is about 522.0810197051.

The spelling of 142302888 in words is "one hundred forty-two million, three hundred two thousand, eight hundred eighty-eight".