4145899 has 4 divisors (see below), whose sum is σ = 4172464. Its totient is φ = 4119336.

The previous prime is 4145891. The next prime is 4145951. The reversal of 4145899 is 9985414.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9985414 = 2 ⋅4992707.

It is a cyclic number.

It is not a de Polignac number, because 4145899 - 2³ = 4145891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4145891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13047 + ... + 13360.

It is an arithmetic number, because the mean of its divisors is an integer number (1043116).

Almost surely, 2^4145899 is an apocalyptic number.

4145899 is a deficient number, since it is larger than the sum of its proper divisors (26565).

4145899 is a wasteful number, since it uses less digits than its factorization.

4145899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26564.

The product of its digits is 51840, while the sum is 40.

The square root of 4145899 is about 2036.1480790944. The cubic root of 4145899 is about 160.6471058716.

The spelling of 4145899 in words is "four million, one hundred forty-five thousand, eight hundred ninety-nine".