142455620204030 has 64 divisors (see below), whose sum is σ = 297368180425728. Its totient is φ = 48123851777280.

The previous prime is 142455620204003. The next prime is 142455620204039. The reversal of 142455620204030 is 30402026554241.

It is a super-3 number, since 3×142455620204030³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142455620204039) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9156836 + ... + 19203095.

It is an arithmetic number, because the mean of its divisors is an integer number (4646377819152).

Almost surely, 2^{142455620204030} is an apocalyptic number.

142455620204030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142455620204030 is an abundant number, since it is smaller than the sum of its proper divisors (154912560221698).

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

142455620204030 is a wasteful number, since it uses less digits than its factorization.

142455620204030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28361001.

The product of its (nonzero) digits is 230400, while the sum is 38.

Adding to 142455620204030 its reverse (30402026554241), we get a palindrome (172857646758271).

The spelling of 142455620204030 in words is "one hundred forty-two trillion, four hundred fifty-five billion, six hundred twenty million, two hundred four thousand, thirty".