11402145 has 12 divisors (see below), whose sum is σ = 19763796. Its totient is φ = 6081120.

The previous prime is 11402129. The next prime is 11402159. The reversal of 11402145 is 54120411.

It can be written as a sum of positive squares in 2 ways, for example, as 3381921 + 8020224 = 1839^2 + 2832^2 .

It is not a de Polignac number, because 11402145 - 2⁴ = 11402129 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 126646 + ... + 126735.

It is an arithmetic number, because the mean of its divisors is an integer number (1646983).

Almost surely, 2^11402145 is an apocalyptic number.

11402145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11402145 is a deficient number, since it is larger than the sum of its proper divisors (8361651).

11402145 is a wasteful number, since it uses less digits than its factorization.

11402145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253392 (or 253389 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 11402145 is about 3376.7062353720. The cubic root of 11402145 is about 225.0758262951.

Adding to 11402145 its reverse (54120411), we get a palindrome (65522556).

The spelling of 11402145 in words is "eleven million, four hundred two thousand, one hundred forty-five".