742235445157 has 2 divisors, whose sum is σ = 742235445158. Its totient is φ = 742235445156.

The previous prime is 742235445073. The next prime is 742235445179. The reversal of 742235445157 is 751544532247.

It is a happy number.

742235445157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 742163297121 + 72148036 = 861489^2 + 8494^2 .

It is a cyclic number.

It is not a de Polignac number, because 742235445157 - 2³⁹ = 192479631269 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 742235445157.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (742233445157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371117722578 + 371117722579.

It is an arithmetic number, because the mean of its divisors is an integer number (371117722579).

Almost surely, 2^742235445157 is an apocalyptic number.

It is an amenable number.

742235445157 is a deficient number, since it is larger than the sum of its proper divisors (1).

742235445157 is an equidigital number, since it uses as much as digits as its factorization.

742235445157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4704000, while the sum is 49.

The spelling of 742235445157 in words is "seven hundred forty-two billion, two hundred thirty-five million, four hundred forty-five thousand, one hundred fifty-seven".