1403216445 has 8 divisors (see below), whose sum is σ = 2245146336. Its totient is φ = 748382096.

The previous prime is 1403216413. The next prime is 1403216459. The reversal of 1403216445 is 5446123041.

1403216445 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1403216445 - 2⁵ = 1403216413 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46773867 + ... + 46773896.

It is an arithmetic number, because the mean of its divisors is an integer number (280643292).

Almost surely, 2^1403216445 is an apocalyptic number.

1403216445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1403216445 is a deficient number, since it is larger than the sum of its proper divisors (841929891).

1403216445 is an equidigital number, since it uses as much as digits as its factorization.

1403216445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93547771.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 1403216445 is about 37459.5307632117. The cubic root of 1403216445 is about 1119.5450014601.

Adding to 1403216445 its reverse (5446123041), we get a palindrome (6849339486).

The spelling of 1403216445 in words is "one billion, four hundred three million, two hundred sixteen thousand, four hundred forty-five".