345151903 has 2 divisors, whose sum is σ = 345151904. Its totient is φ = 345151902.

The previous prime is 345151871. The next prime is 345151913. The reversal of 345151903 is 309151543.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (309151543) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 345151903 - 2⁵ = 345151871 is a prime.

It is a super-2 number, since 2×345151903² = 238259672289042818, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345151913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172575951 + 172575952.

It is an arithmetic number, because the mean of its divisors is an integer number (172575952).

Almost surely, 2^345151903 is an apocalyptic number.

345151903 is a deficient number, since it is larger than the sum of its proper divisors (1).

345151903 is an equidigital number, since it uses as much as digits as its factorization.

345151903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 345151903 is about 18578.2642623039. The cubic root of 345151903 is about 701.4608288697.

The spelling of 345151903 in words is "three hundred forty-five million, one hundred fifty-one thousand, nine hundred three".