145136093 has 4 divisors (see below), whose sum is σ = 145309920. Its totient is φ = 144962268.

The previous prime is 145136087. The next prime is 145136111. The reversal of 145136093 is 390631541.

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 145136093 - 2⁶ = 145136029 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 (145136053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85655 + ... + 87332.

It is an arithmetic number, because the mean of its divisors is an integer number (36327480).

Almost surely, 2^145136093 is an apocalyptic number.

It is an amenable number.

145136093 is a deficient number, since it is larger than the sum of its proper divisors (173827).

145136093 is an equidigital number, since it uses as much as digits as its factorization.

145136093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173826.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 145136093 is about 12047.2442077016. The cubic root of 145136093 is about 525.5230982758.

The spelling of 145136093 in words is "one hundred forty-five million, one hundred thirty-six thousand, ninety-three".