345042152 has 64 divisors (see below), whose sum is σ = 821990400. Its totient is φ = 132088320.

The previous prime is 345042127. The next prime is 345042163. The reversal of 345042152 is 251240543.

It is a happy number.

It is a super-2 number, since 2×345042152² = 238108173313582208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 14924 + ... + 30212.

It is an arithmetic number, because the mean of its divisors is an integer number (12843600).

Almost surely, 2^345042152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 345042152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (410995200).

345042152 is an abundant number, since it is smaller than the sum of its proper divisors (476948248).

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

345042152 is a wasteful number, since it uses less digits than its factorization.

345042152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15346 (or 15342 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 345042152 is about 18575.3102800465. The cubic root of 345042152 is about 701.3864710887.

Adding to 345042152 its reverse (251240543), we get a palindrome (596282695).

The spelling of 345042152 in words is "three hundred forty-five million, forty-two thousand, one hundred fifty-two".