345790153 has 2 divisors, whose sum is σ = 345790154. Its totient is φ = 345790152.

The previous prime is 345790147. The next prime is 345790157. The reversal of 345790153 is 351097543.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 254625849 + 91164304 = 15957^2 + 9548^2 .

It is an emirp because it is prime and its reverse (351097543) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 345790153 - 2⁹ = 345789641 is a prime.

It is not a weakly prime, because it can be changed into another prime (345790157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172895076 + 172895077.

It is an arithmetic number, because the mean of its divisors is an integer number (172895077).

Almost surely, 2^345790153 is an apocalyptic number.

It is an amenable number.

345790153 is a deficient number, since it is larger than the sum of its proper divisors (1).

345790153 is an equidigital number, since it uses as much as digits as its factorization.

345790153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56700, while the sum is 37.

The square root of 345790153 is about 18595.4336599069. The cubic root of 345790153 is about 701.8929397641.

The spelling of 345790153 in words is "three hundred forty-five million, seven hundred ninety thousand, one hundred fifty-three".