4032545 has 16 divisors (see below), whose sum is σ = 5323968. Its totient is φ = 2907840.

The previous prime is 4032533. The next prime is 4032547. The reversal of 4032545 is 5452304.

It is not a de Polignac number, because 4032545 - 2¹⁴ = 4016161 is a prime.

It is a super-2 number, since 2×4032545² = 32522838354050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4032545.

It is not an unprimeable number, because it can be changed into a prime (4032547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8402 + ... + 8868.

It is an arithmetic number, because the mean of its divisors is an integer number (332748).

Almost surely, 2^4032545 is an apocalyptic number.

It is an amenable number.

4032545 is a deficient number, since it is larger than the sum of its proper divisors (1291423).

4032545 is a wasteful number, since it uses less digits than its factorization.

4032545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 4032545 is about 2008.1197673446. The cubic root of 4032545 is about 159.1694592434.

Adding to 4032545 its reverse (5452304), we get a palindrome (9484849).

The spelling of 4032545 in words is "four million, thirty-two thousand, five hundred forty-five".