142772146443 has 24 divisors (see below), whose sum is σ = 217555587600. Its totient is φ = 89974520064.

The previous prime is 142772146423. The next prime is 142772146463. The reversal of 142772146443 is 344641277241.

142772146443 is a `hidden beast` number, since 1 + 427 + 7 + 214 + 6 + 4 + 4 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (142772146423) and next prime (142772146463).

It is not a de Polignac number, because 142772146443 - 2²⁰ = 142771097867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142772146423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 835338 + ... + 991631.

It is an arithmetic number, because the mean of its divisors is an integer number (9064816150).

Almost surely, 2^142772146443 is an apocalyptic number.

142772146443 is a deficient number, since it is larger than the sum of its proper divisors (74783441157).

142772146443 is a wasteful number, since it uses less digits than its factorization.

142772146443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1827451 (or 1827448 counting only the distinct ones).

The product of its digits is 903168, while the sum is 45.

The spelling of 142772146443 in words is "one hundred forty-two billion, seven hundred seventy-two million, one hundred forty-six thousand, four hundred forty-three".