4145031 has 24 divisors (see below), whose sum is σ = 6598800. Its totient is φ = 2486400.

The previous prime is 4145027. The next prime is 4145033. The reversal of 4145031 is 1305414.

It is a happy number.

It is not a de Polignac number, because 4145031 - 2² = 4145027 is a prime.

It is a super-2 number, since 2×4145031² = 34362563981922, which contains 22 as substring.

4145031 is a lucky number.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 4144995 and 4145013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4145033) 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, 14611 + ... + 14891.

It is an arithmetic number, because the mean of its divisors is an integer number (274950).

Almost surely, 2^4145031 is an apocalyptic number.

4145031 is a deficient number, since it is larger than the sum of its proper divisors (2453769).

4145031 is a wasteful number, since it uses less digits than its factorization.

4145031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447 (or 444 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 4145031 is about 2035.9349203744. The cubic root of 4145031 is about 160.6358938747.

It can be divided in two parts, 414 and 5031, that added together give a palindrome (5445).

The spelling of 4145031 in words is "four million, one hundred forty-five thousand, thirty-one".