142912376549 has 4 divisors (see below), whose sum is σ = 142933464960. Its totient is φ = 142891288140.

The previous prime is 142912376527. The next prime is 142912376567. The reversal of 142912376549 is 945673219241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 142912376549 - 2¹⁶ = 142912311013 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142912376549.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142912375549) 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, 10534037 + ... + 10547594.

It is an arithmetic number, because the mean of its divisors is an integer number (35733366240).

Almost surely, 2^142912376549 is an apocalyptic number.

It is an amenable number.

142912376549 is a deficient number, since it is larger than the sum of its proper divisors (21088411).

142912376549 is an equidigital number, since it uses as much as digits as its factorization.

142912376549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21088410.

The product of its digits is 3265920, while the sum is 53.

The spelling of 142912376549 in words is "one hundred forty-two billion, nine hundred twelve million, three hundred seventy-six thousand, five hundred forty-nine".