142390550847 has 4 divisors (see below), whose sum is σ = 189854067800. Its totient is φ = 94927033896.

The previous prime is 142390550779. The next prime is 142390550867. The reversal of 142390550847 is 748055093241.

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

It is not a de Polignac number, because 142390550847 - 2⁷ = 142390550719 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142390550796 and 142390550805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142390550867) 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, 23731758472 + ... + 23731758477.

It is an arithmetic number, because the mean of its divisors is an integer number (47463516950).

Almost surely, 2^142390550847 is an apocalyptic number.

142390550847 is a deficient number, since it is larger than the sum of its proper divisors (47463516953).

142390550847 is an equidigital number, since it uses as much as digits as its factorization.

142390550847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47463516952.

The product of its (nonzero) digits is 1209600, while the sum is 48.

The spelling of 142390550847 in words is "one hundred forty-two billion, three hundred ninety million, five hundred fifty thousand, eight hundred forty-seven".