4145136 has 20 divisors (see below), whose sum is σ = 10708392. Its totient is φ = 1381696.

The previous prime is 4145117. The next prime is 4145171. The reversal of 4145136 is 6315414.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an Ulam number.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43131 + ... + 43226.

Almost surely, 2^4145136 is an apocalyptic number.

It is an amenable number.

4145136 is an abundant number, since it is smaller than the sum of its proper divisors (6563256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4145136 is a wasteful number, since it uses less digits than its factorization.

4145136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86368 (or 86362 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

The square root of 4145136 is about 2035.9607068900. The cubic root of 4145136 is about 160.6372502479.

The spelling of 4145136 in words is "four million, one hundred forty-five thousand, one hundred thirty-six".