145335293 has 2 divisors, whose sum is σ = 145335294. Its totient is φ = 145335292.

The previous prime is 145335277. The next prime is 145335301. The reversal of 145335293 is 392533541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 142969849 + 2365444 = 11957^2 + 1538^2 .

It is a cyclic number.

It is not a de Polignac number, because 145335293 - 2⁴ = 145335277 is a prime.

It is a super-2 number, since 2×145335293² = 42244694782791698, which contains 22 as substring.

It is equal to p_8196380 and since 145335293 and 8196380 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145335493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72667646 + 72667647.

It is an arithmetic number, because the mean of its divisors is an integer number (72667647).

Almost surely, 2^145335293 is an apocalyptic number.

It is an amenable number.

145335293 is a deficient number, since it is larger than the sum of its proper divisors (1).

145335293 is an equidigital number, since it uses as much as digits as its factorization.

145335293 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48600, while the sum is 35.

The square root of 145335293 is about 12055.5088237702. The cubic root of 145335293 is about 525.7634160408.

The spelling of 145335293 in words is "one hundred forty-five million, three hundred thirty-five thousand, two hundred ninety-three".