153312345 has 28 divisors (see below), whose sum is σ = 275842596. Its totient is φ = 81764640.

The previous prime is 153312343. The next prime is 153312347. The reversal of 153312345 is 543213351.

153312345 is a `hidden beast` number, since 1 + 5 + 3 + 312 + 345 = 666.

It is an interprime number because it is at equal distance from previous prime (153312343) and next prime (153312347).

It can be written as a sum of positive squares in 2 ways, for example, as 118984464 + 34327881 = 10908^2 + 5859^2 .

It is not a de Polignac number, because 153312345 - 2¹ = 153312343 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (153312343) 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 27 ways as a sum of consecutive naturals, for example, 17386 + ... + 24675.

Almost surely, 2^153312345 is an apocalyptic number.

153312345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

153312345 is a deficient number, since it is larger than the sum of its proper divisors (122530251).

153312345 is an frugal number, since it uses more digits than its factorization.

153312345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42084 (or 42069 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 153312345 is about 12381.9362379234. The cubic root of 153312345 is about 535.2118356388.

Adding to 153312345 its reverse (543213351), we get a palindrome (696525696).

The spelling of 153312345 in words is "one hundred fifty-three million, three hundred twelve thousand, three hundred forty-five".