142775749632 has 44 divisors (see below), whose sum is σ = 380549434616. Its totient is φ = 47591915520.

The previous prime is 142775749631. The next prime is 142775749663. The reversal of 142775749632 is 236947577241.

It is not an unprimeable number, because it can be changed into a prime (142775749631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23235169 + ... + 23241312.

Almost surely, 2^142775749632 is an apocalyptic number.

142775749632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142775749632 is an abundant number, since it is smaller than the sum of its proper divisors (237773684984).

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

142775749632 is an equidigital number, since it uses as much as digits as its factorization.

142775749632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46476504 (or 46476486 counting only the distinct ones).

The product of its digits is 17781120, while the sum is 57.

The spelling of 142775749632 in words is "one hundred forty-two billion, seven hundred seventy-five million, seven hundred forty-nine thousand, six hundred thirty-two".