145264529 has 2 divisors, whose sum is σ = 145264530. Its totient is φ = 145264528.

The previous prime is 145264501. The next prime is 145264531. The reversal of 145264529 is 925462541.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131217025 + 14047504 = 11455^2 + 3748^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145264529 is a prime.

It is a super-2 number, since 2×145264529² = 42203566771183682, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 145264531, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 145264492 and 145264501.

It is not a weakly prime, because it can be changed into another prime (145264579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72632264 + 72632265.

It is an arithmetic number, because the mean of its divisors is an integer number (72632265).

Almost surely, 2^145264529 is an apocalyptic number.

It is an amenable number.

145264529 is a deficient number, since it is larger than the sum of its proper divisors (1).

145264529 is an equidigital number, since it uses as much as digits as its factorization.

145264529 is an evil number, because the sum of its binary digits is even.

The product of its digits is 86400, while the sum is 38.

The square root of 145264529 is about 12052.5735426091. The cubic root of 145264529 is about 525.6780704888.

The spelling of 145264529 in words is "one hundred forty-five million, two hundred sixty-four thousand, five hundred twenty-nine".