142344667557 has 12 divisors (see below), whose sum is σ = 205740196480. Its totient is φ = 94835876328.

The previous prime is 142344667541. The next prime is 142344667561. The reversal of 142344667557 is 755766443241.

142344667557 is a `hidden beast` number, since 1 + 4 + 23 + 4 + 4 + 6 + 67 + 557 = 666.

It is not a de Polignac number, because 142344667557 - 2⁴ = 142344667541 is a prime.

It is a super-3 number, since 3×142344667557³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142344666557) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5032507 + ... + 5060712.

Almost surely, 2^142344667557 is an apocalyptic number.

It is an amenable number.

142344667557 is a deficient number, since it is larger than the sum of its proper divisors (63395528923).

142344667557 is a wasteful number, since it uses less digits than its factorization.

142344667557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10094792 (or 10094789 counting only the distinct ones).

The product of its digits is 16934400, while the sum is 54.

The spelling of 142344667557 in words is "one hundred forty-two billion, three hundred forty-four million, six hundred sixty-seven thousand, five hundred fifty-seven".