345145891122 has 54 divisors (see below), whose sum is σ = 761030030943. Its totient is φ = 113050464984.

The previous prime is 345145891117. The next prime is 345145891127. The reversal of 345145891122 is 221198541543.

345145891122 is a `hidden beast` number, since 3 + 4 + 51 + 4 + 589 + 1 + 12 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (345145891117) and next prime (345145891127).

It can be written as a sum of positive squares in only one way, i.e., 172572945561 + 172572945561 = 415419^2 + 415419^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=415419.

It is not an unprimeable number, because it can be changed into a prime (345145891127) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 147057153 + ... + 147059499.

Almost surely, 2^345145891122 is an apocalyptic number.

345145891122 is an abundant number, since it is smaller than the sum of its proper divisors (415884139821).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

345145891122 is an frugal number, since it uses more digits than its factorization.

345145891122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4820 (or 2411 counting only the distinct ones).

The product of its digits is 345600, while the sum is 45.

The spelling of 345145891122 in words is "three hundred forty-five billion, one hundred forty-five million, eight hundred ninety-one thousand, one hundred twenty-two".