7342243157 has 2 divisors, whose sum is σ = 7342243158. Its totient is φ = 7342243156.

The previous prime is 7342243087. The next prime is 7342243193. The reversal of 7342243157 is 7513422437.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4499860561 + 2842382596 = 67081^2 + 53314^2 .

It is a cyclic number.

It is not a de Polignac number, because 7342243157 - 2¹⁸ = 7341981013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7342243157.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7342243357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3671121578 + 3671121579.

It is an arithmetic number, because the mean of its divisors is an integer number (3671121579).

Almost surely, 2^7342243157 is an apocalyptic number.

It is an amenable number.

7342243157 is a deficient number, since it is larger than the sum of its proper divisors (1).

7342243157 is an equidigital number, since it uses as much as digits as its factorization.

7342243157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 141120, while the sum is 38.

The square root of 7342243157 is about 85686.8902283191. The cubic root of 7342243157 is about 1943.6120714196.

The spelling of 7342243157 in words is "seven billion, three hundred forty-two million, two hundred forty-three thousand, one hundred fifty-seven".