142312401420 has 96 divisors (see below), whose sum is σ = 461813861376. Its totient is φ = 32070393600.

The previous prime is 142312401409. The next prime is 142312401449. The reversal of 142312401420 is 24104213241.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2356371 + ... + 2416010.

It is an arithmetic number, because the mean of its divisors is an integer number (4810561056).

Almost surely, 2^142312401420 is an apocalyptic number.

142312401420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142312401420 is an abundant number, since it is smaller than the sum of its proper divisors (319501459956).

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

142312401420 is a wasteful number, since it uses less digits than its factorization.

142312401420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4772471 (or 4772469 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 142312401420 its reverse (24104213241), we get a palindrome (166416614661).

The spelling of 142312401420 in words is "one hundred forty-two billion, three hundred twelve million, four hundred one thousand, four hundred twenty".