236401345 has 16 divisors (see below), whose sum is σ = 286509312. Its totient is φ = 187246080.

The previous prime is 236401343. The next prime is 236401369. The reversal of 236401345 is 543104632.

It is not a de Polignac number, because 236401345 - 2¹ = 236401343 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (236401343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 350929 + ... + 351601.

It is an arithmetic number, because the mean of its divisors is an integer number (17906832).

Almost surely, 2^236401345 is an apocalyptic number.

It is an amenable number.

236401345 is a deficient number, since it is larger than the sum of its proper divisors (50107967).

236401345 is a wasteful number, since it uses less digits than its factorization.

236401345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1272.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 236401345 is about 15375.3486139339. The cubic root of 236401345 is about 618.3247743956.

Adding to 236401345 its reverse (543104632), we get a palindrome (779505977).

The spelling of 236401345 in words is "two hundred thirty-six million, four hundred one thousand, three hundred forty-five".