142323153187 has 4 divisors (see below), whose sum is σ = 149813845480. Its totient is φ = 134832460896.

The previous prime is 142323153079. The next prime is 142323153199. The reversal of 142323153187 is 781351323241.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 142323153187 - 2⁷ = 142323153059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142323156187) 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, 3745346118 + ... + 3745346155.

It is an arithmetic number, because the mean of its divisors is an integer number (37453461370).

Almost surely, 2^142323153187 is an apocalyptic number.

142323153187 is a deficient number, since it is larger than the sum of its proper divisors (7490692293).

142323153187 is an equidigital number, since it uses as much as digits as its factorization.

142323153187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7490692292.

The product of its digits is 120960, while the sum is 40.

The spelling of 142323153187 in words is "one hundred forty-two billion, three hundred twenty-three million, one hundred fifty-three thousand, one hundred eighty-seven".