345531136 has 36 divisors (see below), whose sum is σ = 691010992. Its totient is φ = 172440576.

The previous prime is 345531107. The next prime is 345531157. The reversal of 345531136 is 631135543.

It is a junction number, because it is equal to n+sod(n) for n = 345531098 and 345531107.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192901 + ... + 194683.

Almost surely, 2^345531136 is an apocalyptic number.

It is an amenable number.

345531136 is a deficient number, since it is larger than the sum of its proper divisors (345479856).

345531136 is an equidigital number, since it uses as much as digits as its factorization.

345531136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2556 (or 2542 counting only the distinct ones).

The product of its digits is 16200, while the sum is 31.

The square root of 345531136 is about 18588.4678228196. The cubic root of 345531136 is about 701.7176430662.

Adding to 345531136 its reverse (631135543), we get a palindrome (976666679).

The spelling of 345531136 in words is "three hundred forty-five million, five hundred thirty-one thousand, one hundred thirty-six".