11451745 has 8 divisors (see below), whose sum is σ = 13775400. Its totient is φ = 9139200.

The previous prime is 11451733. The next prime is 11451767. The reversal of 11451745 is 54715411.

It can be written as a sum of positive squares in 4 ways, for example, as 289 + 11451456 = 17^2 + 3384^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-11451745 is a prime.

It is a super-2 number, since 2×11451745² = 262284927090050, which contains 22 as substring.

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, 306 + ... + 4795.

It is an arithmetic number, because the mean of its divisors is an integer number (1721925).

Almost surely, 2^11451745 is an apocalyptic number.

It is an amenable number.

11451745 is a deficient number, since it is larger than the sum of its proper divisors (2323655).

11451745 is an equidigital number, since it uses as much as digits as its factorization.

11451745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5555.

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

The square root of 11451745 is about 3384.0427006762. The cubic root of 11451745 is about 225.4017185525.

The spelling of 11451745 in words is "eleven million, four hundred fifty-one thousand, seven hundred forty-five".