345213414 has 80 divisors (see below), whose sum is σ = 952082208. Its totient is φ = 91041408.

The previous prime is 345213409. The next prime is 345213439. The reversal of 345213414 is 414312543.

It is a happy number.

345213414 is a `hidden beast` number, since 34 + 5 + 213 + 414 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3034 + ... + 26450.

Almost surely, 2^345213414 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 345213414, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (476041104).

345213414 is an abundant number, since it is smaller than the sum of its proper divisors (606868794).

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

345213414 is a wasteful number, since it uses less digits than its factorization.

345213414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23451 (or 23442 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 345213414 is about 18579.9196446056. The cubic root of 345213414 is about 701.5024965082.

Adding to 345213414 its reverse (414312543), we get a palindrome (759525957).

The spelling of 345213414 in words is "three hundred forty-five million, two hundred thirteen thousand, four hundred fourteen".