36397145 has 4 divisors (see below), whose sum is σ = 43676580. Its totient is φ = 29117712.

The previous prime is 36397121. The next prime is 36397157. The reversal of 36397145 is 54179363.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28955161 + 7441984 = 5381^2 + 2728^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36397145 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 36397099 and 36397108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3639710 + ... + 3639719.

It is an arithmetic number, because the mean of its divisors is an integer number (10919145).

Almost surely, 2^36397145 is an apocalyptic number.

It is an amenable number.

36397145 is a deficient number, since it is larger than the sum of its proper divisors (7279435).

36397145 is an equidigital number, since it uses as much as digits as its factorization.

36397145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7279434.

The product of its digits is 68040, while the sum is 38.

The square root of 36397145 is about 6033.0046411386. The cubic root of 36397145 is about 331.4024944006.

The spelling of 36397145 in words is "thirty-six million, three hundred ninety-seven thousand, one hundred forty-five".