142772688 has 60 divisors (see below), whose sum is σ = 420603040. Its totient is φ = 45085248.

The previous prime is 142772687. The next prime is 142772689. The reversal of 142772688 is 886277241.

It is an interprime number because it is at equal distance from previous prime (142772687) and next prime (142772689).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142772687) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23356 + ... + 28827.

Almost surely, 2^142772688 is an apocalyptic number.

142772688 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

142772688 is an abundant number, since it is smaller than the sum of its proper divisors (277830352).

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

142772688 is a wasteful number, since it uses less digits than its factorization.

142772688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52216 (or 52207 counting only the distinct ones).

The product of its digits is 301056, while the sum is 45.

The square root of 142772688 is about 11948.7525708753. The cubic root of 142772688 is about 522.6549228874.

The spelling of 142772688 in words is "one hundred forty-two million, seven hundred seventy-two thousand, six hundred eighty-eight".