145836789 has 12 divisors (see below), whose sum is σ = 226196064. Its totient is φ = 83335224.

The previous prime is 145836781. The next prime is 145836791. The reversal of 145836789 is 987638541.

145836789 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 145836789 - 2³ = 145836781 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145836781) 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, 495897 + ... + 496190.

It is an arithmetic number, because the mean of its divisors is an integer number (18849672).

Almost surely, 2^145836789 is an apocalyptic number.

It is an amenable number.

145836789 is a deficient number, since it is larger than the sum of its proper divisors (80359275).

145836789 is an equidigital number, since it uses as much as digits as its factorization.

145836789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992104 (or 992097 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 51.

The square root of 145836789 is about 12076.2903658367. The cubic root of 145836789 is about 526.3674573401.

The spelling of 145836789 in words is "one hundred forty-five million, eight hundred thirty-six thousand, seven hundred eighty-nine".