145791872 has 16 divisors (see below), whose sum is σ = 290445000. Its totient is φ = 72895872.

The previous prime is 145791869. The next prime is 145791889. The reversal of 145791872 is 278197541.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 569372 + ... + 569627.

Almost surely, 2^145791872 is an apocalyptic number.

It is an amenable number.

145791872 is a deficient number, since it is larger than the sum of its proper divisors (144653128).

145791872 is an equidigital number, since it uses as much as digits as its factorization.

145791872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139013 (or 1139001 counting only the distinct ones).

The product of its digits is 141120, while the sum is 44.

The square root of 145791872 is about 12074.4305041687. The cubic root of 145791872 is about 526.3134122784.

The spelling of 145791872 in words is "one hundred forty-five million, seven hundred ninety-one thousand, eight hundred seventy-two".