142616531444 has 24 divisors (see below), whose sum is σ = 264310139520. Its totient is φ = 67100939136.

The previous prime is 142616531419. The next prime is 142616531459. The reversal of 142616531444 is 444135616241.

It is a super-2 number, since 2×142616531444² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167477 + ... + 559715.

It is an arithmetic number, because the mean of its divisors is an integer number (11012922480).

Almost surely, 2^142616531444 is an apocalyptic number.

It is an amenable number.

142616531444 is a deficient number, since it is larger than the sum of its proper divisors (121693608076).

142616531444 is a wasteful number, since it uses less digits than its factorization.

142616531444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397607 (or 397605 counting only the distinct ones).

The product of its digits is 276480, while the sum is 41.

The spelling of 142616531444 in words is "one hundred forty-two billion, six hundred sixteen million, five hundred thirty-one thousand, four hundred forty-four".