158974519945 has 8 divisors (see below), whose sum is σ = 190871944200. Its totient is φ = 127111269120.

The previous prime is 158974519919. The next prime is 158974519961. The reversal of 158974519945 is 549915479851.

It can be written as a sum of positive squares in 4 ways, for example, as 177848896 + 158796671049 = 13336^2 + 398493^2 .

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

It is not a de Polignac number, because 158974519945 - 2⁹ = 158974519433 is a prime.

It is a super-3 number, since 3×158974519945³ (a number of 35 digits) contains 333 as substring.

It is an unprimeable number.

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, 8533120 + ... + 8551729.

It is an arithmetic number, because the mean of its divisors is an integer number (23858993025).

Almost surely, 2^158974519945 is an apocalyptic number.

It is an amenable number.

158974519945 is a deficient number, since it is larger than the sum of its proper divisors (31897424255).

158974519945 is a wasteful number, since it uses less digits than its factorization.

158974519945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17086715.

The product of its digits is 81648000, while the sum is 67.

The spelling of 158974519945 in words is "one hundred fifty-eight billion, nine hundred seventy-four million, five hundred nineteen thousand, nine hundred forty-five".