142572847949 has 8 divisors (see below), whose sum is σ = 162955870080. Its totient is φ = 122193693936.

The previous prime is 142572847939. The next prime is 142572847969. The reversal of 142572847949 is 949748275241.

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

It is a cyclic number.

It is not a de Polignac number, because 142572847949 - 2²⁰ = 142571799373 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 142572847891 and 142572847900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142572847939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 887609 + ... + 1035854.

It is an arithmetic number, because the mean of its divisors is an integer number (20369483760).

Almost surely, 2^142572847949 is an apocalyptic number.

It is an amenable number.

142572847949 is a deficient number, since it is larger than the sum of its proper divisors (20383022131).

142572847949 is a wasteful number, since it uses less digits than its factorization.

142572847949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1934059.

The product of its digits is 40642560, while the sum is 62.

The spelling of 142572847949 in words is "one hundred forty-two billion, five hundred seventy-two million, eight hundred forty-seven thousand, nine hundred forty-nine".