155097343 has 2 divisors, whose sum is σ = 155097344. Its totient is φ = 155097342.

The previous prime is 155097331. The next prime is 155097347. The reversal of 155097343 is 343790551.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 155097343 - 2⁵ = 155097311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155097347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77548671 + 77548672.

It is an arithmetic number, because the mean of its divisors is an integer number (77548672).

Almost surely, 2^155097343 is an apocalyptic number.

155097343 is a deficient number, since it is larger than the sum of its proper divisors (1).

155097343 is an equidigital number, since it uses as much as digits as its factorization.

155097343 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 155097343 is about 12453.8083733451. The cubic root of 155097343 is about 537.2809627080.

The spelling of 155097343 in words is "one hundred fifty-five million, ninety-seven thousand, three hundred forty-three".