145255337 has 2 divisors, whose sum is σ = 145255338. Its totient is φ = 145255336.

The previous prime is 145255291. The next prime is 145255339. The reversal of 145255337 is 733552541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86564416 + 58690921 = 9304^2 + 7661^2 .

It is a cyclic number.

It is not a de Polignac number, because 145255337 - 2⁶ = 145255273 is a prime.

It is a super-2 number, since 2×145255337² = 42198225853967138, which contains 22 as substring.

Together with 145255339, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 145255297 and 145255306.

It is not a weakly prime, because it can be changed into another prime (145255339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72627668 + 72627669.

It is an arithmetic number, because the mean of its divisors is an integer number (72627669).

Almost surely, 2^145255337 is an apocalyptic number.

It is an amenable number.

145255337 is a deficient number, since it is larger than the sum of its proper divisors (1).

145255337 is an equidigital number, since it uses as much as digits as its factorization.

145255337 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63000, while the sum is 35.

The square root of 145255337 is about 12052.1922072294. The cubic root of 145255337 is about 525.6669823615. Note that the first 3 decimals are identical.

The spelling of 145255337 in words is "one hundred forty-five million, two hundred fifty-five thousand, three hundred thirty-seven".