142647040 has 36 divisors (see below), whose sum is σ = 341687304. Its totient is φ = 57058304.

The previous prime is 142647031. The next prime is 142647053. The reversal of 142647040 is 40746241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54442 + ... + 57001.

It is an arithmetic number, because the mean of its divisors is an integer number (9491314).

Almost surely, 2^142647040 is an apocalyptic number.

142647040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142647040 is an abundant number, since it is smaller than the sum of its proper divisors (199040264).

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

142647040 is an equidigital number, since it uses as much as digits as its factorization.

142647040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111464 (or 111450 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 142647040 is about 11943.4936262385. The cubic root of 142647040 is about 522.5015559732.

The spelling of 142647040 in words is "one hundred forty-two million, six hundred forty-seven thousand, forty".