36145478 has 4 divisors (see below), whose sum is σ = 54218220. Its totient is φ = 18072738.

The previous prime is 36145471. The next prime is 36145507. The reversal of 36145478 is 87454163.

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

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36145471) by changing a digit.

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 as a sum of consecutive naturals, namely, 9036368 + ... + 9036371.

It is an arithmetic number, because the mean of its divisors is an integer number (13554555).

Almost surely, 2^36145478 is an apocalyptic number.

36145478 is a deficient number, since it is larger than the sum of its proper divisors (18072742).

36145478 is a wasteful number, since it uses less digits than its factorization.

36145478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18072741.

The product of its digits is 80640, while the sum is 38.

The square root of 36145478 is about 6012.1109437535. The cubic root of 36145478 is about 330.6369028249.

The spelling of 36145478 in words is "thirty-six million, one hundred forty-five thousand, four hundred seventy-eight".