145845939824 has 80 divisors (see below), whose sum is σ = 325111274880. Its totient is φ = 62818778880.

The previous prime is 145845939817. The next prime is 145845939859. The reversal of 145845939824 is 428939548541.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10622 + ... + 540189.

It is an arithmetic number, because the mean of its divisors is an integer number (4063890936).

Almost surely, 2^145845939824 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145845939824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162555637440).

145845939824 is an abundant number, since it is smaller than the sum of its proper divisors (179265335056).

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

145845939824 is a wasteful number, since it uses less digits than its factorization.

145845939824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550918 (or 550912 counting only the distinct ones).

The product of its digits is 49766400, while the sum is 62.

The spelling of 145845939824 in words is "one hundred forty-five billion, eight hundred forty-five million, nine hundred thirty-nine thousand, eight hundred twenty-four".