142020552 has 32 divisors (see below), whose sum is σ = 361072800. Its totient is φ = 46537344.

The previous prime is 142020523. The next prime is 142020581. The reversal of 142020552 is 255020241.

It is a happy number.

142020552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (142020523) and next prime (142020581).

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, 48733 + ... + 51564.

It is an arithmetic number, because the mean of its divisors is an integer number (11283525).

Almost surely, 2^142020552 is an apocalyptic number.

142020552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142020552 is an abundant number, since it is smaller than the sum of its proper divisors (219052248).

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

142020552 is a wasteful number, since it uses less digits than its factorization.

142020552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100365 (or 100361 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 142020552 is about 11917.2375993768. The cubic root of 142020552 is about 521.7355128759.

Adding to 142020552 its reverse (255020241), we get a palindrome (397040793).

The spelling of 142020552 in words is "one hundred forty-two million, twenty thousand, five hundred fifty-two".