142044631454 has 32 divisors (see below), whose sum is σ = 234434138112. Its totient is φ = 64544667000.

The previous prime is 142044631453. The next prime is 142044631459. The reversal of 142044631454 is 454136440241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142044631453) 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, 10553429 + ... + 10566879.

It is an arithmetic number, because the mean of its divisors is an integer number (7326066816).

Almost surely, 2^142044631454 is an apocalyptic number.

142044631454 is a deficient number, since it is larger than the sum of its proper divisors (92389506658).

142044631454 is a wasteful number, since it uses less digits than its factorization.

142044631454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17453 (or 17431 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 38.

The spelling of 142044631454 in words is "one hundred forty-two billion, forty-four million, six hundred thirty-one thousand, four hundred fifty-four".