142415464427 has 4 divisors (see below), whose sum is σ = 144131313480. Its totient is φ = 140699615376.

The previous prime is 142415464397. The next prime is 142415464439. The reversal of 142415464427 is 724464514241.

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 142415464427 - 2⁸ = 142415464171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142415464027) 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, 857924402 + ... + 857924567.

It is an arithmetic number, because the mean of its divisors is an integer number (36032828370).

Almost surely, 2^142415464427 is an apocalyptic number.

142415464427 is a deficient number, since it is larger than the sum of its proper divisors (1715849053).

142415464427 is an equidigital number, since it uses as much as digits as its factorization.

142415464427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1715849052.

The product of its digits is 860160, while the sum is 44.

Adding to 142415464427 its reverse (724464514241), we get a palindrome (866879978668).

The spelling of 142415464427 in words is "one hundred forty-two billion, four hundred fifteen million, four hundred sixty-four thousand, four hundred twenty-seven".