142542404452 has 48 divisors (see below), whose sum is σ = 291466344960. Its totient is φ = 59724951552.

The previous prime is 142542404363. The next prime is 142542404479. The reversal of 142542404452 is 254404245241.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1164268 + ... + 1280860.

It is an arithmetic number, because the mean of its divisors is an integer number (6072215520).

Almost surely, 2^142542404452 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142542404452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145733172480).

142542404452 is an abundant number, since it is smaller than the sum of its proper divisors (148923940508).

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

142542404452 is a wasteful number, since it uses less digits than its factorization.

142542404452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117580 (or 117578 counting only the distinct ones).

The product of its (nonzero) digits is 204800, while the sum is 37.

Adding to 142542404452 its reverse (254404245241), we get a palindrome (396946649693).

The spelling of 142542404452 in words is "one hundred forty-two billion, five hundred forty-two million, four hundred four thousand, four hundred fifty-two".