345154297 has 2 divisors, whose sum is σ = 345154298. Its totient is φ = 345154296.

The previous prime is 345154291. The next prime is 345154363. The reversal of 345154297 is 792451543.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 311734336 + 33419961 = 17656^2 + 5781^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345154297 is a prime.

It is not a weakly prime, because it can be changed into another prime (345154291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172577148 + 172577149.

It is an arithmetic number, because the mean of its divisors is an integer number (172577149).

Almost surely, 2^345154297 is an apocalyptic number.

It is an amenable number.

345154297 is a deficient number, since it is larger than the sum of its proper divisors (1).

345154297 is an equidigital number, since it uses as much as digits as its factorization.

345154297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 151200, while the sum is 40.

The square root of 345154297 is about 18578.3286923232. The cubic root of 345154297 is about 701.4624506613.

The spelling of 345154297 in words is "three hundred forty-five million, one hundred fifty-four thousand, two hundred ninety-seven".