742233445157 has 2 divisors, whose sum is σ = 742233445158. Its totient is φ = 742233445156.

The previous prime is 742233445153. The next prime is 742233445189. The reversal of 742233445157 is 751544332247.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 618929931841 + 123303513316 = 786721^2 + 351146^2 .

It is a cyclic number.

It is not a de Polignac number, because 742233445157 - 2² = 742233445153 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (742233445153) 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, 371116722578 + 371116722579.

It is an arithmetic number, because the mean of its divisors is an integer number (371116722579).

Almost surely, 2^742233445157 is an apocalyptic number.

It is an amenable number.

742233445157 is a deficient number, since it is larger than the sum of its proper divisors (1).

742233445157 is an equidigital number, since it uses as much as digits as its factorization.

742233445157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2822400, while the sum is 47.

The spelling of 742233445157 in words is "seven hundred forty-two billion, two hundred thirty-three million, four hundred forty-five thousand, one hundred fifty-seven".