142452035220 has 48 divisors (see below), whose sum is σ = 435126218688. Its totient is φ = 34533826560.

The previous prime is 142452035213. The next prime is 142452035221. The reversal of 142452035220 is 22530254241.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142452035221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107917549 + ... + 107918868.

It is an arithmetic number, because the mean of its divisors is an integer number (9065129556).

Almost surely, 2^142452035220 is an apocalyptic number.

142452035220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142452035220 is an abundant number, since it is smaller than the sum of its proper divisors (292674183468).

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

142452035220 is a wasteful number, since it uses less digits than its factorization.

142452035220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215836440 (or 215836438 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 142452035220 its reverse (22530254241), we get a palindrome (164982289461).

The spelling of 142452035220 in words is "one hundred forty-two billion, four hundred fifty-two million, thirty-five thousand, two hundred twenty".