351145229 has 2 divisors, whose sum is σ = 351145230. Its totient is φ = 351145228.

The previous prime is 351145199. The next prime is 351145237. The reversal of 351145229 is 922541153.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 270109225 + 81036004 = 16435^2 + 9002^2 .

It is a cyclic number.

It is not a de Polignac number, because 351145229 - 2¹⁶ = 351079693 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 351145195 and 351145204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (351145129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175572614 + 175572615.

It is an arithmetic number, because the mean of its divisors is an integer number (175572615).

Almost surely, 2^351145229 is an apocalyptic number.

It is an amenable number.

351145229 is a deficient number, since it is larger than the sum of its proper divisors (1).

351145229 is an equidigital number, since it uses as much as digits as its factorization.

351145229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10800, while the sum is 32.

The square root of 351145229 is about 18738.8694696345. The cubic root of 351145229 is about 705.4976812163.

The spelling of 351145229 in words is "three hundred fifty-one million, one hundred forty-five thousand, two hundred twenty-nine".