345331350 has 240 divisors, whose sum is σ = 1182195168. Its totient is φ = 72783360.

The previous prime is 345331331. The next prime is 345331369. The reversal of 345331350 is 53133543.

It is a happy number.

345331350 is a `hidden beast` number, since 345 + 3 + 313 + 5 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (345331331) and next prime (345331369).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 368082 + ... + 369018.

Almost surely, 2^345331350 is an apocalyptic number.

345331350 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 345331350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (591097584).

345331350 is an abundant number, since it is smaller than the sum of its proper divisors (836863818).

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

345331350 is a wasteful number, since it uses less digits than its factorization.

345331350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981 (or 967 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 27.

The square root of 345331350 is about 18583.0931225133. The cubic root of 345331350 is about 701.5823726809.

Adding to 345331350 its reverse (53133543), we get a palindrome (398464893).

The spelling of 345331350 in words is "three hundred forty-five million, three hundred thirty-one thousand, three hundred fifty".