142434454020 has 24 divisors (see below), whose sum is σ = 398816471424. Its totient is φ = 37982521056.

The previous prime is 142434454007. The next prime is 142434454021. The reversal of 142434454020 is 20454434241.

It is not an unprimeable number, because it can be changed into a prime (142434454021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1186953724 + ... + 1186953843.

It is an arithmetic number, because the mean of its divisors is an integer number (16617352976).

Almost surely, 2^142434454020 is an apocalyptic number.

142434454020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142434454020 is an abundant number, since it is smaller than the sum of its proper divisors (256382017404).

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

142434454020 is a wasteful number, since it uses less digits than its factorization.

142434454020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2373907579 (or 2373907577 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 33.

Adding to 142434454020 its reverse (20454434241), we get a palindrome (162888888261).

The spelling of 142434454020 in words is "one hundred forty-two billion, four hundred thirty-four million, four hundred fifty-four thousand, twenty".