154250138973 has 32 divisors (see below), whose sum is σ = 248936780800. Its totient is φ = 82991506176.

The previous prime is 154250138971. The next prime is 154250138989. The reversal of 154250138973 is 379831052451.

154250138973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 154250138973 - 2¹ = 154250138971 is a prime.

It is a super-4 number, since 4×154250138973⁴ (a number of 46 digits) contains 4444 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 (154250138971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1120828 + ... + 1250901.

It is an arithmetic number, because the mean of its divisors is an integer number (7779274400).

Almost surely, 2^154250138973 is an apocalyptic number.

It is an amenable number.

154250138973 is a deficient number, since it is larger than the sum of its proper divisors (94686641827).

154250138973 is a wasteful number, since it uses less digits than its factorization.

154250138973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2371921.

The product of its (nonzero) digits is 907200, while the sum is 48.

The spelling of 154250138973 in words is "one hundred fifty-four billion, two hundred fifty million, one hundred thirty-eight thousand, nine hundred seventy-three".