154543241149 has 48 divisors (see below), whose sum is σ = 179952192000. Its totient is φ = 132403927040.

The previous prime is 154543241141. The next prime is 154543241159. The reversal of 154543241149 is 941142345451.

It is not a de Polignac number, because 154543241149 - 2³ = 154543241141 is a prime.

It is a super-2 number, since 2×154543241149² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154543241141) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 74049384 + ... + 74051470.

It is an arithmetic number, because the mean of its divisors is an integer number (3749004000).

Almost surely, 2^154543241149 is an apocalyptic number.

It is an amenable number.

154543241149 is a deficient number, since it is larger than the sum of its proper divisors (25408950851).

154543241149 is a wasteful number, since it uses less digits than its factorization.

154543241149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2634 (or 2623 counting only the distinct ones).

The product of its digits is 345600, while the sum is 43.

The spelling of 154543241149 in words is "one hundred fifty-four billion, five hundred forty-three million, two hundred forty-one thousand, one hundred forty-nine".