144974156539 has 8 divisors (see below), whose sum is σ = 148897781840. Its totient is φ = 141050815776.

The previous prime is 144974156533. The next prime is 144974156557. The reversal of 144974156539 is 935651479441.

It is a happy number.

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 144974156539 - 2¹¹ = 144974154491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144974156533) 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, 1329997 + ... + 1434865.

It is an arithmetic number, because the mean of its divisors is an integer number (18612222730).

Almost surely, 2^144974156539 is an apocalyptic number.

144974156539 is a deficient number, since it is larger than the sum of its proper divisors (3923625301).

144974156539 is a wasteful number, since it uses less digits than its factorization.

144974156539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142269.

The product of its digits is 16329600, while the sum is 58.

The spelling of 144974156539 in words is "one hundred forty-four billion, nine hundred seventy-four million, one hundred fifty-six thousand, five hundred thirty-nine".