11902445 has 4 divisors (see below), whose sum is σ = 14282940. Its totient is φ = 9521952.

The previous prime is 11902433. The next prime is 11902453. The reversal of 11902445 is 54420911.

11902445 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54420911 = 467 ⋅116533.

It can be written as a sum of positive squares in 2 ways, for example, as 7496644 + 4405801 = 2738^2 + 2099^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11902445 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1190240 + ... + 1190249.

It is an arithmetic number, because the mean of its divisors is an integer number (3570735).

Almost surely, 2^11902445 is an apocalyptic number.

It is an amenable number.

11902445 is a deficient number, since it is larger than the sum of its proper divisors (2380495).

11902445 is an equidigital number, since it uses as much as digits as its factorization.

11902445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2380494.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 11902445 is about 3449.9920289763. The cubic root of 11902445 is about 228.3207563475.

The spelling of 11902445 in words is "eleven million, nine hundred two thousand, four hundred forty-five".