142756620 has 24 divisors (see below), whose sum is σ = 399718704. Its totient is φ = 38068416.

The previous prime is 142756609. The next prime is 142756631. The reversal of 142756620 is 26657241.

142756620 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (142756609) and next prime (142756631).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1189579 + ... + 1189698.

It is an arithmetic number, because the mean of its divisors is an integer number (16654946).

Almost surely, 2^142756620 is an apocalyptic number.

142756620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142756620 is an abundant number, since it is smaller than the sum of its proper divisors (256962084).

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

142756620 is a wasteful number, since it uses less digits than its factorization.

142756620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2379289 (or 2379287 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 142756620 is about 11948.0801805144. The cubic root of 142756620 is about 522.6353151821.

The spelling of 142756620 in words is "one hundred forty-two million, seven hundred fifty-six thousand, six hundred twenty".