145838045838 has 16 divisors (see below), whose sum is σ = 291682388736. Its totient is φ = 48611632440.

The previous prime is 145838045833. The next prime is 145838045839. The reversal of 145838045838 is 838540838541.

It is a super-5 number, since 5×145838045838⁵ (a number of 57 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145838045833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71353 + ... + 544763.

It is an arithmetic number, because the mean of its divisors is an integer number (18230149296).

Almost surely, 2^145838045838 is an apocalyptic number.

145838045838 is an abundant number, since it is smaller than the sum of its proper divisors (145844342898).

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

145838045838 is a wasteful number, since it uses less digits than its factorization.

145838045838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524759.

The product of its (nonzero) digits is 14745600, while the sum is 57.

The spelling of 145838045838 in words is "one hundred forty-five billion, eight hundred thirty-eight million, forty-five thousand, eight hundred thirty-eight".