142900620 has 24 divisors (see below), whose sum is σ = 400121904. Its totient is φ = 38106816.

The previous prime is 142900619. The next prime is 142900631. The reversal of 142900620 is 26009241.

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, 1190779 + ... + 1190898.

It is an arithmetic number, because the mean of its divisors is an integer number (16671746).

Almost surely, 2^142900620 is an apocalyptic number.

142900620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142900620 is an abundant number, since it is smaller than the sum of its proper divisors (257221284).

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

142900620 is a wasteful number, since it uses less digits than its factorization.

142900620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2381689 (or 2381687 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 142900620 is about 11954.1047343580. The cubic root of 142900620 is about 522.8109852481.

Adding to 142900620 its reverse (26009241), we get a palindrome (168909861).

The spelling of 142900620 in words is "one hundred forty-two million, nine hundred thousand, six hundred twenty".