230153233545 has 20 divisors (see below), whose sum is σ = 412570982340. Its totient is φ = 122748391008.

The previous prime is 230153233543. The next prime is 230153233589. The reversal of 230153233545 is 545332351032.

230153233545 is a `hidden beast` number, since 2 + 30 + 1 + 53 + 2 + 33 + 545 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 37383062409 + 192770171136 = 193347^2 + 439056^2 .

It is not a de Polignac number, because 230153233545 - 2¹ = 230153233543 is a prime.

It is a super-2 number, since 2×230153233545² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (230153233543) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 284139390 + ... + 284140199.

It is an arithmetic number, because the mean of its divisors is an integer number (20628549117).

Almost surely, 2^230153233545 is an apocalyptic number.

It is an amenable number.

230153233545 is a deficient number, since it is larger than the sum of its proper divisors (182417748795).

230153233545 is an equidigital number, since it uses as much as digits as its factorization.

230153233545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568279606 (or 568279597 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 36.

Adding to 230153233545 its reverse (545332351032), we get a palindrome (775485584577).

The spelling of 230153233545 in words is "two hundred thirty billion, one hundred fifty-three million, two hundred thirty-three thousand, five hundred forty-five".