36144742 has 4 divisors (see below), whose sum is σ = 54217116. Its totient is φ = 18072370.

The previous prime is 36144733. The next prime is 36144763. The reversal of 36144742 is 24744163.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9036184 + ... + 9036187.

It is an arithmetic number, because the mean of its divisors is an integer number (13554279).

Almost surely, 2^36144742 is an apocalyptic number.

36144742 is a deficient number, since it is larger than the sum of its proper divisors (18072374).

36144742 is a wasteful number, since it uses less digits than its factorization.

36144742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18072373.

The product of its digits is 16128, while the sum is 31.

The square root of 36144742 is about 6012.0497336599. The cubic root of 36144742 is about 330.6346586492.

The spelling of 36144742 in words is "thirty-six million, one hundred forty-four thousand, seven hundred forty-two".