145104251 has 2 divisors, whose sum is σ = 145104252. Its totient is φ = 145104250.

The previous prime is 145104241. The next prime is 145104257. The reversal of 145104251 is 152401541.

It is a strong prime.

It is an emirp because it is prime and its reverse (152401541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145104251 - 2¹⁴ = 145087867 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (145104257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72552125 + 72552126.

It is an arithmetic number, because the mean of its divisors is an integer number (72552126).

Almost surely, 2^145104251 is an apocalyptic number.

145104251 is a deficient number, since it is larger than the sum of its proper divisors (1).

145104251 is an equidigital number, since it uses as much as digits as its factorization.

145104251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 145104251 is about 12045.9225881624. The cubic root of 145104251 is about 525.4846632454.

Adding to 145104251 its reverse (152401541), we get a palindrome (297505792).

The spelling of 145104251 in words is "one hundred forty-five million, one hundred four thousand, two hundred fifty-one".