4145531 has 8 divisors (see below), whose sum is σ = 4515840. Its totient is φ = 3782592.

The previous prime is 4145527. The next prime is 4145539. The reversal of 4145531 is 1355414.

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 4145531 - 2² = 4145527 is a prime.

It is a super-2 number, since 2×4145531² = 34370854543922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4145497 and 4145506.

It is not an unprimeable number, because it can be changed into a prime (4145539) 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, 635 + ... + 2948.

It is an arithmetic number, because the mean of its divisors is an integer number (564480).

Almost surely, 2^4145531 is an apocalyptic number.

4145531 is a deficient number, since it is larger than the sum of its proper divisors (370309).

4145531 is a wasteful number, since it uses less digits than its factorization.

4145531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3685.

The product of its digits is 1200, while the sum is 23.

The square root of 4145531 is about 2036.0577103805. The cubic root of 4145531 is about 160.6423525894.

The spelling of 4145531 in words is "four million, one hundred forty-five thousand, five hundred thirty-one".