3145527 has 64 divisors (see below), whose sum is σ = 6220800. Its totient is φ = 1520640.

The previous prime is 3145511. The next prime is 3145529. The reversal of 3145527 is 7255413.

It is a happy number.

It is not a de Polignac number, because 3145527 - 2⁴ = 3145511 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 3145527.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3145529) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 35299 + ... + 35387.

It is an arithmetic number, because the mean of its divisors is an integer number (97200).

Almost surely, 2^3145527 is an apocalyptic number.

3145527 is the 1122-nd heptagonal number.

3145527 is a deficient number, since it is larger than the sum of its proper divisors (3075273).

3145527 is a wasteful number, since it uses less digits than its factorization.

3145527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133 (or 127 counting only the distinct ones).

The product of its digits is 4200, while the sum is 27.

The square root of 3145527 is about 1773.5633622738. The cubic root of 3145527 is about 146.5203022181.

It can be divided in two parts, 3 and 145527, that added together give a triangular number (145530 = T₅₃₉).

The spelling of 3145527 in words is "three million, one hundred forty-five thousand, five hundred twenty-seven".