145150513 has 2 divisors, whose sum is σ = 145150514. Its totient is φ = 145150512.

The previous prime is 145150427. The next prime is 145150549. The reversal of 145150513 is 315051541.

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., 114768369 + 30382144 = 10713^2 + 5512^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145150513 is a prime.

It is not a weakly prime, because it can be changed into another prime (145150553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72575256 + 72575257.

It is an arithmetic number, because the mean of its divisors is an integer number (72575257).

Almost surely, 2^145150513 is an apocalyptic number.

It is an amenable number.

145150513 is a deficient number, since it is larger than the sum of its proper divisors (1).

145150513 is an equidigital number, since it uses as much as digits as its factorization.

145150513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 145150513 is about 12047.8426699555. The cubic root of 145150513 is about 525.5405021527.

The spelling of 145150513 in words is "one hundred forty-five million, one hundred fifty thousand, five hundred thirteen".