345615157 has 2 divisors, whose sum is σ = 345615158. Its totient is φ = 345615156.

The previous prime is 345615139. The next prime is 345615167. The reversal of 345615157 is 751516543.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 243079281 + 102535876 = 15591^2 + 10126^2 .

It is a cyclic number.

It is not a de Polignac number, because 345615157 - 2¹¹ = 345613109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345615167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172807578 + 172807579.

It is an arithmetic number, because the mean of its divisors is an integer number (172807579).

Almost surely, 2^345615157 is an apocalyptic number.

It is an amenable number.

345615157 is a deficient number, since it is larger than the sum of its proper divisors (1).

345615157 is an equidigital number, since it uses as much as digits as its factorization.

345615157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63000, while the sum is 37.

The square root of 345615157 is about 18590.7277157189. The cubic root of 345615157 is about 701.7745161269.

The spelling of 345615157 in words is "three hundred forty-five million, six hundred fifteen thousand, one hundred fifty-seven".