4145502123 has 24 divisors (see below), whose sum is σ = 6897266688. Its totient is φ = 2350201392.

The previous prime is 4145502107. The next prime is 4145502133. The reversal of 4145502123 is 3212055414.

4145502123 is a `hidden beast` number, since 4 + 145 + 502 + 12 + 3 = 666.

4145502123 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4145502123 - 2⁴ = 4145502107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4145502133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 251061 + ... + 267062.

It is an arithmetic number, because the mean of its divisors is an integer number (287386112).

Almost surely, 2^4145502123 is an apocalyptic number.

4145502123 is a deficient number, since it is larger than the sum of its proper divisors (2751764565).

4145502123 is a wasteful number, since it uses less digits than its factorization.

4145502123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518263 (or 518260 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 4145502123 is about 64385.5738733453. The cubic root of 4145502123 is about 1606.4197958694.

Adding to 4145502123 its reverse (3212055414), we get a palindrome (7357557537).

The spelling of 4145502123 in words is "four billion, one hundred forty-five million, five hundred two thousand, one hundred twenty-three".