142053720 has 32 divisors (see below), whose sum is σ = 426161520. Its totient is φ = 37880960.

The previous prime is 142053719. The next prime is 142053731. The reversal of 142053720 is 27350241.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 591771 + ... + 592010.

Almost surely, 2^142053720 is an apocalyptic number.

142053720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142053720 is an abundant number, since it is smaller than the sum of its proper divisors (284107800).

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

142053720 is a wasteful number, since it uses less digits than its factorization.

142053720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1183795 (or 1183791 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 142053720 is about 11918.6291158002. The cubic root of 142053720 is about 521.7761257221.

The spelling of 142053720 in words is "one hundred forty-two million, fifty-three thousand, seven hundred twenty".