145742873113 has 2 divisors, whose sum is σ = 145742873114. Its totient is φ = 145742873112.

The previous prime is 145742873039. The next prime is 145742873117. The reversal of 145742873113 is 311378247541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107582032009 + 38160841104 = 327997^2 + 195348^2 .

It is an emirp because it is prime and its reverse (311378247541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145742873113 - 2¹³ = 145742864921 is a prime.

It is not a weakly prime, because it can be changed into another prime (145742873117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72871436556 + 72871436557.

It is an arithmetic number, because the mean of its divisors is an integer number (72871436557).

Almost surely, 2^145742873113 is an apocalyptic number.

It is an amenable number.

145742873113 is a deficient number, since it is larger than the sum of its proper divisors (1).

145742873113 is an equidigital number, since it uses as much as digits as its factorization.

145742873113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 564480, while the sum is 46.

The spelling of 145742873113 in words is "one hundred forty-five billion, seven hundred forty-two million, eight hundred seventy-three thousand, one hundred thirteen".