142285620 has 24 divisors (see below), whose sum is σ = 398399904. Its totient is φ = 37942816.

The previous prime is 142285603. The next prime is 142285651. The reversal of 142285620 is 26582241.

142285620 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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, 1185654 + ... + 1185773.

It is an arithmetic number, because the mean of its divisors is an integer number (16599996).

Almost surely, 2^142285620 is an apocalyptic number.

142285620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142285620 is an abundant number, since it is smaller than the sum of its proper divisors (256114284).

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

142285620 is a wasteful number, since it uses less digits than its factorization.

142285620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2371439 (or 2371437 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 142285620 is about 11928.3536164887. The cubic root of 142285620 is about 522.0599012306.

The spelling of 142285620 in words is "one hundred forty-two million, two hundred eighty-five thousand, six hundred twenty".