42532445 has 8 divisors (see below), whose sum is σ = 51114240. Its totient is φ = 33975760.

The previous prime is 42532439. The next prime is 42532493. The reversal of 42532445 is 54423524.

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

It is not a de Polignac number, because 42532445 - 2⁴ = 42532429 is a prime.

It is a Curzon 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, 2321 + ... + 9510.

It is an arithmetic number, because the mean of its divisors is an integer number (6389280).

Almost surely, 2^42532445 is an apocalyptic number.

It is an amenable number.

42532445 is a deficient number, since it is larger than the sum of its proper divisors (8581795).

42532445 is a wasteful number, since it uses less digits than its factorization.

42532445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12555.

The product of its digits is 19200, while the sum is 29.

The square root of 42532445 is about 6521.6903483683. The cubic root of 42532445 is about 349.0653840382.

Adding to 42532445 its reverse (54423524), we get a palindrome (96955969).

The spelling of 42532445 in words is "forty-two million, five hundred thirty-two thousand, four hundred forty-five".