145830074728 has 32 divisors (see below), whose sum is σ = 294492612960. Its totient is φ = 67299779520.

The previous prime is 145830074683. The next prime is 145830074749. The reversal of 145830074728 is 827470038541.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1134051 + ... + 1256077.

It is an arithmetic number, because the mean of its divisors is an integer number (9202894155).

Almost surely, 2^145830074728 is an apocalyptic number.

It is an amenable number.

145830074728 is an abundant number, since it is smaller than the sum of its proper divisors (148662538232).

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

145830074728 is a wasteful number, since it uses less digits than its factorization.

145830074728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133537 (or 133533 counting only the distinct ones).

The product of its (nonzero) digits is 1505280, while the sum is 49.

The spelling of 145830074728 in words is "one hundred forty-five billion, eight hundred thirty million, seventy-four thousand, seven hundred twenty-eight".