145536293 has 4 divisors (see below), whose sum is σ = 166327200. Its totient is φ = 124745388.

The previous prime is 145536277. The next prime is 145536319. The reversal of 145536293 is 392635541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 145536293 - 2⁴ = 145536277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145536233) 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 in 3 ways as a sum of consecutive naturals, for example, 10395443 + ... + 10395456.

It is an arithmetic number, because the mean of its divisors is an integer number (41581800).

Almost surely, 2^145536293 is an apocalyptic number.

It is an amenable number.

145536293 is a deficient number, since it is larger than the sum of its proper divisors (20790907).

145536293 is an equidigital number, since it uses as much as digits as its factorization.

145536293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20790906.

The product of its digits is 97200, while the sum is 38.

The square root of 145536293 is about 12063.8423812648. The cubic root of 145536293 is about 526.0056828794.

The spelling of 145536293 in words is "one hundred forty-five million, five hundred thirty-six thousand, two hundred ninety-three".