1415445432 has 128 divisors (see below), whose sum is σ = 3972499200. Its totient is φ = 417650688.

The previous prime is 1415445349. The next prime is 1415445433. The reversal of 1415445432 is 2345445141.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1415445393 and 1415445402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1415445433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1216483 + ... + 1217645.

It is an arithmetic number, because the mean of its divisors is an integer number (31035150).

Almost surely, 2^1415445432 is an apocalyptic number.

1415445432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1415445432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1986249600).

1415445432 is an abundant number, since it is smaller than the sum of its proper divisors (2557053768).

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

1415445432 is a wasteful number, since it uses less digits than its factorization.

1415445432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1365 (or 1361 counting only the distinct ones).

The product of its digits is 38400, while the sum is 33.

The square root of 1415445432 is about 37622.4059836688. The cubic root of 1415445432 is about 1122.7878655821.

The spelling of 1415445432 in words is "one billion, four hundred fifteen million, four hundred forty-five thousand, four hundred thirty-two".