45443532 has 24 divisors (see below), whose sum is σ = 106145200. Its totient is φ = 15132096.

The previous prime is 45443527. The next prime is 45443537. The reversal of 45443532 is 23534454.

It is an interprime number because it is at equal distance from previous prime (45443527) and next prime (45443537).

It is a super-2 number, since 2×45443532² = 4130229201270048, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 45443532.

It is not an unprimeable number, because it can be changed into a prime (45443537) 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, 18894 + ... + 21162.

Almost surely, 2^45443532 is an apocalyptic number.

It is an amenable number.

45443532 is an abundant number, since it is smaller than the sum of its proper divisors (60701668).

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

45443532 is a wasteful number, since it uses less digits than its factorization.

45443532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3945 (or 3943 counting only the distinct ones).

The product of its digits is 28800, while the sum is 30.

The square root of 45443532 is about 6741.1817955014. The cubic root of 45443532 is about 356.8541016549.

Adding to 45443532 its reverse (23534454), we get a palindrome (68977986).

The spelling of 45443532 in words is "forty-five million, four hundred forty-three thousand, five hundred thirty-two".