142953020 has 24 divisors (see below), whose sum is σ = 343087584. Its totient is φ = 49012416.

The previous prime is 142953001. The next prime is 142953029. The reversal of 142953020 is 20359241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142953029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 510407 + ... + 510686.

It is an arithmetic number, because the mean of its divisors is an integer number (14295316).

Almost surely, 2^142953020 is an apocalyptic number.

142953020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142953020 is an abundant number, since it is smaller than the sum of its proper divisors (200134564).

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

142953020 is a wasteful number, since it uses less digits than its factorization.

142953020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021109 (or 1021107 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 142953020 is about 11956.2962492571. The cubic root of 142953020 is about 522.8748803471.

The spelling of 142953020 in words is "one hundred forty-two million, nine hundred fifty-three thousand, twenty".