42532345 has 8 divisors (see below), whose sum is σ = 51507720. Its totient is φ = 33713280.

The previous prime is 42532339. The next prime is 42532349. The reversal of 42532345 is 54323524.

It can be written as a sum of positive squares in 4 ways, for example, as 1776889 + 40755456 = 1333^2 + 6384^2 .

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

It is not a de Polignac number, because 42532345 - 2¹¹ = 42530297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42532349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38476 + ... + 39565.

It is an arithmetic number, because the mean of its divisors is an integer number (6438465).

Almost surely, 2^42532345 is an apocalyptic number.

It is an amenable number.

42532345 is a deficient number, since it is larger than the sum of its proper divisors (8975375).

42532345 is a wasteful number, since it uses less digits than its factorization.

42532345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78155.

The product of its digits is 14400, while the sum is 28.

The square root of 42532345 is about 6521.6826816398. The cubic root of 42532345 is about 349.0651104701.

Adding to 42532345 its reverse (54323524), we get a palindrome (96855869).

The spelling of 42532345 in words is "forty-two million, five hundred thirty-two thousand, three hundred forty-five".