36143497 has 8 divisors (see below), whose sum is σ = 38987144. Its totient is φ = 33308928.

The previous prime is 36143467. The next prime is 36143507. The reversal of 36143497 is 79434163.

It can be written as a sum of positive squares in 4 ways, for example, as 4096576 + 32046921 = 2024^2 + 5661^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 36143497 - 2¹⁵ = 36110729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36143407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7633 + ... + 11425.

It is an arithmetic number, because the mean of its divisors is an integer number (4873393).

Almost surely, 2^36143497 is an apocalyptic number.

It is an amenable number.

36143497 is a deficient number, since it is larger than the sum of its proper divisors (2843647).

36143497 is a wasteful number, since it uses less digits than its factorization.

36143497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4539.

The product of its digits is 54432, while the sum is 37.

The square root of 36143497 is about 6011.9461907106. The cubic root of 36143497 is about 330.6308623858.

The spelling of 36143497 in words is "thirty-six million, one hundred forty-three thousand, four hundred ninety-seven".