11157445 has 8 divisors (see below), whose sum is σ = 14418936. Its totient is φ = 8239296.

The previous prime is 11157439. The next prime is 11157451. The reversal of 11157445 is 54475111.

It is an interprime number because it is at equal distance from previous prime (11157439) and next prime (11157451).

It can be written as a sum of positive squares in 4 ways, for example, as 181476 + 10975969 = 426^2 + 3313^2 .

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

It is not a de Polignac number, because 11157445 - 2⁵ = 11157413 is a prime.

It is a Duffinian number.

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, 85762 + ... + 85891.

It is an arithmetic number, because the mean of its divisors is an integer number (1802367).

Almost surely, 2^11157445 is an apocalyptic number.

It is an amenable number.

11157445 is a deficient number, since it is larger than the sum of its proper divisors (3261491).

11157445 is a wasteful number, since it uses less digits than its factorization.

11157445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171671.

The product of its digits is 2800, while the sum is 28.

The square root of 11157445 is about 3340.2761861858. The cubic root of 11157445 is about 223.4540608619.

The spelling of 11157445 in words is "eleven million, one hundred fifty-seven thousand, four hundred forty-five".