345126260 has 48 divisors (see below), whose sum is σ = 766463040. Its totient is φ = 130176000.

The previous prime is 345126251. The next prime is 345126263. The reversal of 345126260 is 62621543.

It is a super-2 number, since 2×345126260² = 238224270683175200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345126263) 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 15 ways as a sum of consecutive naturals, for example, 84260 + ... + 88260.

It is an arithmetic number, because the mean of its divisors is an integer number (15967980).

Almost surely, 2^345126260 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 345126260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (383231520).

345126260 is an abundant number, since it is smaller than the sum of its proper divisors (421336780).

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

345126260 is a wasteful number, since it uses less digits than its factorization.

345126260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4256 (or 4254 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 345126260 is about 18577.5741150453. The cubic root of 345126260 is about 701.4434568031.

The spelling of 345126260 in words is "three hundred forty-five million, one hundred twenty-six thousand, two hundred sixty".