142393153849 has 8 divisors (see below), whose sum is σ = 142616573312. Its totient is φ = 142169910480.

The previous prime is 142393153811. The next prime is 142393153867. The reversal of 142393153849 is 948351393241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142393153849 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142393153796 and 142393153805.

It is not an unprimeable number, because it can be changed into a prime (142393153349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1623607 + ... + 1709059.

It is an arithmetic number, because the mean of its divisors is an integer number (17827071664).

Almost surely, 2^142393153849 is an apocalyptic number.

It is an amenable number.

142393153849 is a deficient number, since it is larger than the sum of its proper divisors (223419463).

142393153849 is a wasteful number, since it uses less digits than its factorization.

142393153849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88047.

The product of its digits is 2799360, while the sum is 52.

The spelling of 142393153849 in words is "one hundred forty-two billion, three hundred ninety-three million, one hundred fifty-three thousand, eight hundred forty-nine".