145851389944 has 24 divisors (see below), whose sum is σ = 296125790760. Its totient is φ = 67316025504.

The previous prime is 145851389941. The next prime is 145851389947. The reversal of 145851389944 is 449983158541.

It is an interprime number because it is at equal distance from previous prime (145851389941) and next prime (145851389947).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145851389941) 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 5 ways as a sum of consecutive naturals, for example, 53937772 + ... + 53940475.

It is an arithmetic number, because the mean of its divisors is an integer number (12338574615).

Almost surely, 2^145851389944 is an apocalyptic number.

It is an amenable number.

145851389944 is an abundant number, since it is smaller than the sum of its proper divisors (150274400816).

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

145851389944 is a wasteful number, since it uses less digits than its factorization.

145851389944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107878279 (or 107878262 counting only the distinct ones).

The product of its digits is 24883200, while the sum is 61.

The spelling of 145851389944 in words is "one hundred forty-five billion, eight hundred fifty-one million, three hundred eighty-nine thousand, nine hundred forty-four".