142720552869 has 4 divisors (see below), whose sum is σ = 190294070496. Its totient is φ = 95147035244.

The previous prime is 142720552853. The next prime is 142720552889. The reversal of 142720552869 is 968255027241.

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 142720552869 - 2⁴ = 142720552853 is a prime.

It is a super-2 number, since 2×142720552869² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142720552889) 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, 23786758809 + ... + 23786758814.

It is an arithmetic number, because the mean of its divisors is an integer number (47573517624).

Almost surely, 2^142720552869 is an apocalyptic number.

It is an amenable number.

142720552869 is a deficient number, since it is larger than the sum of its proper divisors (47573517627).

142720552869 is an equidigital number, since it uses as much as digits as its factorization.

142720552869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47573517626.

The product of its (nonzero) digits is 2419200, while the sum is 51.

The spelling of 142720552869 in words is "one hundred forty-two billion, seven hundred twenty million, five hundred fifty-two thousand, eight hundred sixty-nine".