145202125400249 has 2 divisors, whose sum is σ = 145202125400250. Its totient is φ = 145202125400248.

The previous prime is 145202125400177. The next prime is 145202125400273. The reversal of 145202125400249 is 942004521202541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 144353184295849 + 848941104400 = 12014707^2 + 921380^2 .

It is a cyclic number.

It is not a de Polignac number, because 145202125400249 - 2³² = 145197830432953 is a prime.

It is not a weakly prime, because it can be changed into another prime (145202125400279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72601062700124 + 72601062700125.

It is an arithmetic number, because the mean of its divisors is an integer number (72601062700125).

Almost surely, 2^{145202125400249} is an apocalyptic number.

It is an amenable number.

145202125400249 is a deficient number, since it is larger than the sum of its proper divisors (1).

145202125400249 is an equidigital number, since it uses as much as digits as its factorization.

145202125400249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 230400, while the sum is 41.

The spelling of 145202125400249 in words is "one hundred forty-five trillion, two hundred two billion, one hundred twenty-five million, four hundred thousand, two hundred forty-nine".