42245532 has 36 divisors (see below), whose sum is σ = 122043376. Its totient is φ = 12070080.

The previous prime is 42245519. The next prime is 42245563. The reversal of 42245532 is 23554224.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 42245496 and 42245505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83569 + ... + 84072.

Almost surely, 2^42245532 is an apocalyptic number.

42245532 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

42245532 is an abundant number, since it is smaller than the sum of its proper divisors (79797844).

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

42245532 is a wasteful number, since it uses less digits than its factorization.

42245532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167658 (or 167653 counting only the distinct ones).

The product of its digits is 9600, while the sum is 27.

The square root of 42245532 is about 6499.6562986053. The cubic root of 42245532 is about 348.2787105322.

Adding to 42245532 its reverse (23554224), we get a palindrome (65799756).

It can be divided in two parts, 422 and 45532, that added together give a palindrome (45954).

The spelling of 42245532 in words is "forty-two million, two hundred forty-five thousand, five hundred thirty-two".