142520973087 has 4 divisors (see below), whose sum is σ = 190027964120. Its totient is φ = 95013982056.

The previous prime is 142520973083. The next prime is 142520973097. The reversal of 142520973087 is 780379025241.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 142520973087 - 2² = 142520973083 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142520973083) 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, 23753495512 + ... + 23753495517.

It is an arithmetic number, because the mean of its divisors is an integer number (47506991030).

Almost surely, 2^142520973087 is an apocalyptic number.

142520973087 is a deficient number, since it is larger than the sum of its proper divisors (47506991033).

142520973087 is an equidigital number, since it uses as much as digits as its factorization.

142520973087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47506991032.

The product of its (nonzero) digits is 846720, while the sum is 48.

The spelling of 142520973087 in words is "one hundred forty-two billion, five hundred twenty million, nine hundred seventy-three thousand, eighty-seven".