145815183 has 12 divisors (see below), whose sum is σ = 212231448. Its totient is φ = 96467280.

The previous prime is 145815179. The next prime is 145815199. The reversal of 145815183 is 381518541.

It is not a de Polignac number, because 145815183 - 2² = 145815179 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145815133) 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, 60660 + ... + 63017.

It is an arithmetic number, because the mean of its divisors is an integer number (17685954).

Almost surely, 2^145815183 is an apocalyptic number.

145815183 is a deficient number, since it is larger than the sum of its proper divisors (66416265).

145815183 is a wasteful number, since it uses less digits than its factorization.

145815183 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123814 (or 123811 counting only the distinct ones).

The product of its digits is 19200, while the sum is 36.

The square root of 145815183 is about 12075.3957699116. The cubic root of 145815183 is about 526.3414619402.

It can be divided in two parts, 1458 and 15183, that added together give a square (16641 = 129²).

The spelling of 145815183 in words is "one hundred forty-five million, eight hundred fifteen thousand, one hundred eighty-three".