142440268973 has 8 divisors (see below), whose sum is σ = 144943640160. Its totient is φ = 139939868880.

The previous prime is 142440268939. The next prime is 142440268981. The reversal of 142440268973 is 379862044241.

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 142440268973 - 2⁸ = 142440268717 is a prime.

It is a super-3 number, since 3×142440268973³ (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 (142440268913) 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, 645938 + ... + 837923.

It is an arithmetic number, because the mean of its divisors is an integer number (18117955020).

Almost surely, 2^142440268973 is an apocalyptic number.

It is an amenable number.

142440268973 is a deficient number, since it is larger than the sum of its proper divisors (2503371187).

142440268973 is a wasteful number, since it uses less digits than its factorization.

142440268973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1485547.

The product of its (nonzero) digits is 2322432, while the sum is 50.

The spelling of 142440268973 in words is "one hundred forty-two billion, four hundred forty million, two hundred sixty-eight thousand, nine hundred seventy-three".