145893807 has 12 divisors (see below), whose sum is σ = 219898224. Its totient is φ = 93033600.

The previous prime is 145893767. The next prime is 145893821. The reversal of 145893807 is 708398541.

145893807 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145893807 - 2⁶ = 145893743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145893827) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 352194 + ... + 352607.

It is an arithmetic number, because the mean of its divisors is an integer number (18324852).

Almost surely, 2^145893807 is an apocalyptic number.

145893807 is a deficient number, since it is larger than the sum of its proper divisors (74004417).

145893807 is a wasteful number, since it uses less digits than its factorization.

145893807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704830 (or 704827 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 145893807 is about 12078.6508766501. The cubic root of 145893807 is about 526.4360465930.

The spelling of 145893807 in words is "one hundred forty-five million, eight hundred ninety-three thousand, eight hundred seven".