145203122399 has 2 divisors, whose sum is σ = 145203122400. Its totient is φ = 145203122398.

The previous prime is 145203122369. The next prime is 145203122423. The reversal of 145203122399 is 993221302541.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145203122399 - 2¹⁶ = 145203056863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145203122369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72601561199 + 72601561200.

It is an arithmetic number, because the mean of its divisors is an integer number (72601561200).

Almost surely, 2^145203122399 is an apocalyptic number.

145203122399 is a deficient number, since it is larger than the sum of its proper divisors (1).

145203122399 is an equidigital number, since it uses as much as digits as its factorization.

145203122399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116640, while the sum is 41.

The spelling of 145203122399 in words is "one hundred forty-five billion, two hundred three million, one hundred twenty-two thousand, three hundred ninety-nine".