154438075038 has 64 divisors (see below), whose sum is σ = 341002368000. Its totient is φ = 46325917440.

The previous prime is 154438075031. The next prime is 154438075081. The reversal of 154438075038 is 830570834451.

154438075038 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×154438075038² (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 (154438075031) 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, 4456743 + ... + 4491261.

It is an arithmetic number, because the mean of its divisors is an integer number (5328162000).

Almost surely, 2^154438075038 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 154438075038, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170501184000).

154438075038 is an abundant number, since it is smaller than the sum of its proper divisors (186564292962).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

154438075038 is a wasteful number, since it uses less digits than its factorization.

154438075038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35977.

The product of its (nonzero) digits is 1612800, while the sum is 48.

The spelling of 154438075038 in words is "one hundred fifty-four billion, four hundred thirty-eight million, seventy-five thousand, thirty-eight".