32045442 has 80 divisors (see below), whose sum is σ = 80199072. Its totient is φ = 8436480.

The previous prime is 32045411. The next prime is 32045473. The reversal of 32045442 is 24454023.

It is an interprime number because it is at equal distance from previous prime (32045411) and next prime (32045473).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1885018 + ... + 1885034.

Almost surely, 2^32045442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32045442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40099536).

32045442 is an abundant number, since it is smaller than the sum of its proper divisors (48153630).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

32045442 is a wasteful number, since it uses less digits than its factorization.

32045442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85 (or 46 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 32045442 is about 5660.8693678621. The cubic root of 32045442 is about 317.6304198942.

Adding to 32045442 its reverse (24454023), we get a palindrome (56499465).

It can be divided in two parts, 3204 and 5442, that added together give a triangular number (8646 = T₁₃₁).

The spelling of 32045442 in words is "thirty-two million, forty-five thousand, four hundred forty-two".