42045532 has 6 divisors (see below), whose sum is σ = 73579688. Its totient is φ = 21022764.

The previous prime is 42045511. The next prime is 42045533. The reversal of 42045532 is 23554024.

It is a super-2 number, since 2×42045532² = 3535653522326048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42045497 and 42045506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42045533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5255688 + ... + 5255695.

Almost surely, 2^42045532 is an apocalyptic number.

It is an amenable number.

42045532 is a deficient number, since it is larger than the sum of its proper divisors (31534156).

42045532 is a wasteful number, since it uses less digits than its factorization.

42045532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10511387 (or 10511385 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 42045532 is about 6484.2526169174. The cubic root of 42045532 is about 347.7282305888.

Adding to 42045532 its reverse (23554024), we get a palindrome (65599556).

The spelling of 42045532 in words is "forty-two million, forty-five thousand, five hundred thirty-two".