142620 has 24 divisors (see below), whose sum is σ = 399504. Its totient is φ = 38016.

The previous prime is 142619. The next prime is 142657. The reversal of 142620 is 26241.

142620 = 130² + 131² + ... + 137².

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 142620.

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, 1129 + ... + 1248.

It is an arithmetic number, because the mean of its divisors is an integer number (16646).

2¹⁴²⁶²⁰ is an apocalyptic number.

142620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142620 is an abundant number, since it is smaller than the sum of its proper divisors (256884).

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

142620 is a wasteful number, since it uses less digits than its factorization.

142620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2389 (or 2387 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 142620 is about 377.6506321986. The cubic root of 142620 is about 52.2468538966.

Adding to 142620 its reverse (26241), we get a palindrome (168861).

The spelling of 142620 in words is "one hundred forty-two thousand, six hundred twenty".