142622688 has 48 divisors (see below), whose sum is σ = 403186896. Its totient is φ = 43883520.

The previous prime is 142622687. The next prime is 142622717. The reversal of 142622688 is 886226241.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×142622688² = 40682462264690688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142622687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55893 + ... + 58388.

It is an arithmetic number, because the mean of its divisors is an integer number (8399727).

Almost surely, 2^142622688 is an apocalyptic number.

It is an amenable number.

142622688 is an abundant number, since it is smaller than the sum of its proper divisors (260564208).

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

142622688 is a wasteful number, since it uses less digits than its factorization.

142622688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114307 (or 114299 counting only the distinct ones).

The product of its digits is 73728, while the sum is 39.

The square root of 142622688 is about 11942.4741155256. The cubic root of 142622688 is about 522.4718213171.

The spelling of 142622688 in words is "one hundred forty-two million, six hundred twenty-two thousand, six hundred eighty-eight".