154044975892 has 6 divisors (see below), whose sum is σ = 269578707818. Its totient is φ = 77022487944.

The previous prime is 154044975883. The next prime is 154044975911. The reversal of 154044975892 is 298579440451.

It can be written as a sum of positive squares in only one way, i.e., 132937535236 + 21107440656 = 364606^2 + 145284^2 .

It is a super-2 number, since 2×154044975892² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19255621983 + ... + 19255621990.

Almost surely, 2^154044975892 is an apocalyptic number.

It is an amenable number.

154044975892 is a deficient number, since it is larger than the sum of its proper divisors (115533731926).

154044975892 is a wasteful number, since it uses less digits than its factorization.

154044975892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38511243977 (or 38511243975 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 58.

The spelling of 154044975892 in words is "one hundred fifty-four billion, forty-four million, nine hundred seventy-five thousand, eight hundred ninety-two".