142406262147 has 16 divisors (see below), whose sum is σ = 194554739232. Its totient is φ = 92598804480.

The previous prime is 142406262143. The next prime is 142406262157. The reversal of 142406262147 is 741262604241.

It is not a de Polignac number, because 142406262147 - 2² = 142406262143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142406262143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 356323 + ... + 641699.

It is an arithmetic number, because the mean of its divisors is an integer number (12159671202).

Almost surely, 2^142406262147 is an apocalyptic number.

142406262147 is a deficient number, since it is larger than the sum of its proper divisors (52148477085).

142406262147 is a wasteful number, since it uses less digits than its factorization.

142406262147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289478.

The product of its (nonzero) digits is 129024, while the sum is 39.

Adding to 142406262147 its reverse (741262604241), we get a palindrome (883668866388).

The spelling of 142406262147 in words is "one hundred forty-two billion, four hundred six million, two hundred sixty-two thousand, one hundred forty-seven".