142762020 has 48 divisors (see below), whose sum is σ = 400868160. Its totient is φ = 37961856.

The previous prime is 142762007. The next prime is 142762027. The reversal of 142762020 is 20267241.

It is not an unprimeable number, because it can be changed into a prime (142762027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19191 + ... + 25569.

It is an arithmetic number, because the mean of its divisors is an integer number (8351420).

Almost surely, 2^142762020 is an apocalyptic number.

142762020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142762020 is an abundant number, since it is smaller than the sum of its proper divisors (258106140).

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

142762020 is a wasteful number, since it uses less digits than its factorization.

142762020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6764 (or 6762 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 142762020 is about 11948.3061561043. The cubic root of 142762020 is about 522.6419049410.

The spelling of 142762020 in words is "one hundred forty-two million, seven hundred sixty-two thousand, twenty".