351922145 has 8 divisors (see below), whose sum is σ = 422407656. Its totient is φ = 281470336.

The previous prime is 351922139. The next prime is 351922157. The reversal of 351922145 is 541229153.

It can be written as a sum of positive squares in 4 ways, for example, as 2119936 + 349802209 = 1456^2 + 18703^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 351922145 - 2¹⁴ = 351905761 is a prime.

It is a super-2 number, since 2×351922145² = 247698392282802050, which contains 22 as substring.

It is a Duffinian 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, 33779 + ... + 42951.

It is an arithmetic number, because the mean of its divisors is an integer number (52800957).

Almost surely, 2^351922145 is an apocalyptic number.

It is an amenable number.

351922145 is a deficient number, since it is larger than the sum of its proper divisors (70485511).

351922145 is an equidigital number, since it uses as much as digits as its factorization.

351922145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16851.

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

The square root of 351922145 is about 18759.5880818316. The cubic root of 351922145 is about 706.0176073046.

The spelling of 351922145 in words is "three hundred fifty-one million, nine hundred twenty-two thousand, one hundred forty-five".