145519903241 has 2 divisors, whose sum is σ = 145519903242. Its totient is φ = 145519903240.

The previous prime is 145519903223. The next prime is 145519903259. The reversal of 145519903241 is 142309915541.

It is a balanced prime because it is at equal distance from previous prime (145519903223) and next prime (145519903259).

It can be written as a sum of positive squares in only one way, i.e., 72824419600 + 72695483641 = 269860^2 + 269621^2 .

It is an emirp because it is prime and its reverse (142309915541) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145519903241 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 145519903192 and 145519903201.

It is not a weakly prime, because it can be changed into another prime (145519903141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72759951620 + 72759951621.

It is an arithmetic number, because the mean of its divisors is an integer number (72759951621).

Almost surely, 2^145519903241 is an apocalyptic number.

It is an amenable number.

145519903241 is a deficient number, since it is larger than the sum of its proper divisors (1).

145519903241 is an equidigital number, since it uses as much as digits as its factorization.

145519903241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 194400, while the sum is 44.

The spelling of 145519903241 in words is "one hundred forty-five billion, five hundred nineteen million, nine hundred three thousand, two hundred forty-one".