142772823810 has 24 divisors (see below), whose sum is σ = 371209342140. Its totient is φ = 38072752992.

The previous prime is 142772823773. The next prime is 142772823827. The reversal of 142772823810 is 18328277241.

142772823810 is a `hidden beast` number, since 1 + 427 + 72 + 82 + 3 + 81 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 129714505281 + 13058318529 = 360159^2 + 114273^2 .

It is a super-2 number, since 2×142772823810² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 793182265 + ... + 793182444.

Almost surely, 2^142772823810 is an apocalyptic number.

142772823810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142772823810 is an abundant number, since it is smaller than the sum of its proper divisors (228436518330).

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

142772823810 is a wasteful number, since it uses less digits than its factorization.

142772823810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1586364722 (or 1586364719 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 45.

The spelling of 142772823810 in words is "one hundred forty-two billion, seven hundred seventy-two million, eight hundred twenty-three thousand, eight hundred ten".