142021113552 has 60 divisors (see below), whose sum is σ = 414742826784. Its totient is φ = 45282093120.

The previous prime is 142021113551. The next prime is 142021113599. The reversal of 142021113552 is 255311120241.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142021113551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21437074 + ... + 21443697.

Almost surely, 2^142021113552 is an apocalyptic number.

142021113552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142021113552 is an abundant number, since it is smaller than the sum of its proper divisors (272721713232).

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

142021113552 is a wasteful number, since it uses less digits than its factorization.

142021113552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42880808 (or 42880799 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

Adding to 142021113552 its reverse (255311120241), we get a palindrome (397332233793).

The spelling of 142021113552 in words is "one hundred forty-two billion, twenty-one million, one hundred thirteen thousand, five hundred fifty-two".