345005514 has 128 divisors (see below), whose sum is σ = 946183680. Its totient is φ = 90934272.

The previous prime is 345005513. The next prime is 345005527. The reversal of 345005514 is 415500543.

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 (345005513) 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 63 ways as a sum of consecutive naturals, for example, 340072 + ... + 341084.

It is an arithmetic number, because the mean of its divisors is an integer number (7392060).

Almost surely, 2^345005514 is an apocalyptic number.

345005514 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 345005514, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (473091840).

345005514 is an abundant number, since it is smaller than the sum of its proper divisors (601178166).

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

345005514 is a wasteful number, since it uses less digits than its factorization.

345005514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101 (or 1095 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 345005514 is about 18574.3240523040. The cubic root of 345005514 is about 701.3616448397.

The spelling of 345005514 in words is "three hundred forty-five million, five thousand, five hundred fourteen".