42032245 has 8 divisors (see below), whose sum is σ = 53405784. Its totient is φ = 31647744.

The previous prime is 42032231. The next prime is 42032273. The reversal of 42032245 is 54223024.

It can be written as a sum of positive squares in 4 ways, for example, as 1912689 + 40119556 = 1383^2 + 6334^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42032245 - 2¹³ = 42024053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247164 + ... + 247333.

It is an arithmetic number, because the mean of its divisors is an integer number (6675723).

Almost surely, 2^42032245 is an apocalyptic number.

It is an amenable number.

42032245 is a deficient number, since it is larger than the sum of its proper divisors (11373539).

42032245 is a wasteful number, since it uses less digits than its factorization.

42032245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494519.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 42032245 is about 6483.2279768646. The cubic root of 42032245 is about 347.6915976692.

Adding to 42032245 its reverse (54223024), we get a palindrome (96255269).

The spelling of 42032245 in words is "forty-two million, thirty-two thousand, two hundred forty-five".