145226339 has 2 divisors, whose sum is σ = 145226340. Its totient is φ = 145226338.

The previous prime is 145226281. The next prime is 145226377. The reversal of 145226339 is 933622541.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145226339 - 2⁸ = 145226083 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145226299 and 145226308.

It is not a weakly prime, because it can be changed into another prime (145226399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72613169 + 72613170.

It is an arithmetic number, because the mean of its divisors is an integer number (72613170).

Almost surely, 2^145226339 is an apocalyptic number.

145226339 is a deficient number, since it is larger than the sum of its proper divisors (1).

145226339 is an equidigital number, since it uses as much as digits as its factorization.

145226339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38880, while the sum is 35.

The square root of 145226339 is about 12050.9891295279. The cubic root of 145226339 is about 525.6319995835.

The spelling of 145226339 in words is "one hundred forty-five million, two hundred twenty-six thousand, three hundred thirty-nine".