4145331 has 8 divisors (see below), whose sum is σ = 5852304.
Its totient is φ = 2600960.
The previous prime is 4145299. The next prime is 4145333. The reversal of 4145331 is 1335414.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 4145331 - 25 = 4145299 is a prime.
It is a super-2 number, since 2×41453312 = 34367538199122, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 4145298 and 4145307.
It is not an unprimeable number, because it can be changed into a prime (4145333) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40590 + ... + 40691.
It is an arithmetic number, because the mean of its divisors is an integer number (731538).
Almost surely, 24145331 is an apocalyptic number.
4145331 is a deficient number, since it is larger than the sum of its proper divisors (1706973).
4145331 is a wasteful number, since it uses less digits than its factorization.
4145331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 81301.
The product of its digits is 720, while the sum is 21.
The square root of 4145331 is about 2036.0085952667.
The cubic root of 4145331 is about 160.6397691659.
The spelling of 4145331 in words is "four million, one hundred forty-five thousand, three hundred thirty-one".