145580893 has 4 divisors (see below), whose sum is σ = 145651968. Its totient is φ = 145509820.

The previous prime is 145580891. The next prime is 145580909. The reversal of 145580893 is 398085541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 145580893 - 2¹ = 145580891 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145580891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32371 + ... + 36592.

It is an arithmetic number, because the mean of its divisors is an integer number (36412992).

Almost surely, 2^145580893 is an apocalyptic number.

It is an amenable number.

145580893 is a deficient number, since it is larger than the sum of its proper divisors (71075).

145580893 is an equidigital number, since it uses as much as digits as its factorization.

145580893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71074.

The product of its (nonzero) digits is 172800, while the sum is 43.

The square root of 145580893 is about 12065.6907386192. The cubic root of 145580893 is about 526.0594093576.

The spelling of 145580893 in words is "one hundred forty-five million, five hundred eighty thousand, eight hundred ninety-three".