42033145 has 32 divisors (see below), whose sum is σ = 64373760. Its totient is φ = 25583040.

The previous prime is 42033143. The next prime is 42033161. The reversal of 42033145 is 54133024.

It is not a de Polignac number, because 42033145 - 2¹ = 42033143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42033143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15286 + ... + 17824.

It is an arithmetic number, because the mean of its divisors is an integer number (2011680).

Almost surely, 2^42033145 is an apocalyptic number.

It is an amenable number.

42033145 is a deficient number, since it is larger than the sum of its proper divisors (22340615).

42033145 is a wasteful number, since it uses less digits than its factorization.

42033145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2605.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 42033145 is about 6483.2973863614. The cubic root of 42033145 is about 347.6940792577.

Adding to 42033145 its reverse (54133024), we get a palindrome (96166169).

The spelling of 42033145 in words is "forty-two million, thirty-three thousand, one hundred forty-five".