102945183 has 16 divisors (see below), whose sum is σ = 158547456. Its totient is φ = 58720640.

The previous prime is 102945169. The next prime is 102945223. The reversal of 102945183 is 381549201.

It is not a de Polignac number, because 102945183 - 2⁶ = 102945119 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102945103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91191 + ... + 92312.

It is an arithmetic number, because the mean of its divisors is an integer number (9909216).

Almost surely, 2^102945183 is an apocalyptic number.

102945183 is a deficient number, since it is larger than the sum of its proper divisors (55602273).

102945183 is a wasteful number, since it uses less digits than its factorization.

102945183 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183534.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 102945183 is about 10146.1905659218. The cubic root of 102945183 is about 468.6716422978.

The spelling of 102945183 in words is "one hundred two million, nine hundred forty-five thousand, one hundred eighty-three".