345214040 has 32 divisors (see below), whose sum is σ = 817614000. Its totient is φ = 130817664.

The previous prime is 345214031. The next prime is 345214073. The reversal of 345214040 is 40412543.

It is a junction number, because it is equal to n+sod(n) for n = 345213997 and 345214015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226355 + ... + 227874.

Almost surely, 2^345214040 is an apocalyptic number.

It is an amenable number.

345214040 is an abundant number, since it is smaller than the sum of its proper divisors (472399960).

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

345214040 is a wasteful number, since it uses less digits than its factorization.

345214040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454259 (or 454255 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 345214040 is about 18579.9364907418. The cubic root of 345214040 is about 701.5029205360.

Adding to 345214040 its reverse (40412543), we get a palindrome (385626583).

The spelling of 345214040 in words is "three hundred forty-five million, two hundred fourteen thousand, forty".