145204432337 has 2 divisors, whose sum is σ = 145204432338. Its totient is φ = 145204432336.

The previous prime is 145204432319. The next prime is 145204432343. The reversal of 145204432337 is 733234402541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115463360401 + 29741071936 = 339799^2 + 172456^2 .

It is a cyclic number.

It is not a de Polignac number, because 145204432337 - 2⁶ = 145204432273 is a prime.

It is a super-2 number, since 2×145204432337² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145204432337.

It is not a weakly prime, because it can be changed into another prime (145204432537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72602216168 + 72602216169.

It is an arithmetic number, because the mean of its divisors is an integer number (72602216169).

Almost surely, 2^145204432337 is an apocalyptic number.

It is an amenable number.

145204432337 is a deficient number, since it is larger than the sum of its proper divisors (1).

145204432337 is an equidigital number, since it uses as much as digits as its factorization.

145204432337 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 241920, while the sum is 38.

Adding to 145204432337 its reverse (733234402541), we get a palindrome (878438834878).

The spelling of 145204432337 in words is "one hundred forty-five billion, two hundred four million, four hundred thirty-two thousand, three hundred thirty-seven".