231152414545 has 64 divisors (see below), whose sum is σ = 319967020800. Its totient is φ = 158877987840.

The previous prime is 231152414543. The next prime is 231152414567. The reversal of 231152414545 is 545414251132.

It is not a de Polignac number, because 231152414545 - 2¹ = 231152414543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231152414543) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 111720771 + ... + 111722839.

It is an arithmetic number, because the mean of its divisors is an integer number (4999484700).

Almost surely, 2^231152414545 is an apocalyptic number.

It is an amenable number.

231152414545 is a deficient number, since it is larger than the sum of its proper divisors (88814606255).

231152414545 is a wasteful number, since it uses less digits than its factorization.

231152414545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3650.

The product of its digits is 96000, while the sum is 37.

Adding to 231152414545 its reverse (545414251132), we get a palindrome (776566665677).

The spelling of 231152414545 in words is "two hundred thirty-one billion, one hundred fifty-two million, four hundred fourteen thousand, five hundred forty-five".