45417232 has 80 divisors (see below), whose sum is σ = 105644032. Its totient is φ = 18506880.

The previous prime is 45417221. The next prime is 45417233. The reversal of 45417232 is 23271454.

45417232 = T₂₂₃ + T₂₂₄ + ... + T₆₅₆.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 45417232.

It is not an unprimeable number, because it can be changed into a prime (45417233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 357553 + ... + 357679.

Almost surely, 2^45417232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45417232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52822016).

45417232 is an abundant number, since it is smaller than the sum of its proper divisors (60226800).

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

45417232 is a wasteful number, since it uses less digits than its factorization.

45417232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276 (or 270 counting only the distinct ones).

The product of its digits is 6720, while the sum is 28.

The square root of 45417232 is about 6739.2308166437. The cubic root of 45417232 is about 356.7852464289.

Adding to 45417232 its reverse (23271454), we get a palindrome (68688686).

The spelling of 45417232 in words is "forty-five million, four hundred seventeen thousand, two hundred thirty-two".