345440250 has 48 divisors (see below), whose sum is σ = 934076520. Its totient is φ = 92116800.

The previous prime is 345440233. The next prime is 345440269. The reversal of 345440250 is 52044543.

It can be written as a sum of positive squares in 4 ways, for example, as 127848249 + 217592001 = 11307^2 + 14751^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74515 + ... + 79014.

Almost surely, 2^345440250 is an apocalyptic number.

345440250 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

345440250 is an abundant number, since it is smaller than the sum of its proper divisors (588636270).

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

345440250 is a wasteful number, since it uses less digits than its factorization.

345440250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153552 (or 153539 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 345440250 is about 18586.0229742675. The cubic root of 345440250 is about 701.6561127672.

Adding to 345440250 its reverse (52044543), we get a palindrome (397484793).

The spelling of 345440250 in words is "three hundred forty-five million, four hundred forty thousand, two hundred fifty".