145725701838 has 8 divisors (see below), whose sum is σ = 291451403688. Its totient is φ = 48575233944.

The previous prime is 145725701837. The next prime is 145725701857. The reversal of 145725701838 is 838107527541.

145725701838 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

145725701838 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145725701833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12143808481 + ... + 12143808492.

It is an arithmetic number, because the mean of its divisors is an integer number (36431425461).

Almost surely, 2^145725701838 is an apocalyptic number.

145725701838 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

145725701838 is a wasteful number, since it uses less digits than its factorization.

145725701838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24287616978.

The product of its (nonzero) digits is 1881600, while the sum is 51.

The spelling of 145725701838 in words is "one hundred forty-five billion, seven hundred twenty-five million, seven hundred one thousand, eight hundred thirty-eight".