145293 has 8 divisors (see below), whose sum is σ = 204000. Its totient is φ = 91728.

The previous prime is 145289. The next prime is 145303. The reversal of 145293 is 392541.

145293 is nontrivially palindromic in base 7.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 145293 - 2² = 145289 is a prime.

It is a super-2 number, since 2×145293² = 42220111698, which contains 22 as substring.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1218 + ... + 1331.

It is an arithmetic number, because the mean of its divisors is an integer number (25500).

2¹⁴⁵²⁹³ is an apocalyptic number.

It is an amenable number.

145293 is a deficient number, since it is larger than the sum of its proper divisors (58707).

145293 is a wasteful number, since it uses less digits than its factorization.

145293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2571.

The product of its digits is 1080, while the sum is 24.

The square root of 145293 is about 381.1731889837. The cubic root of 145293 is about 52.5712411523.

The spelling of 145293 in words is "one hundred forty-five thousand, two hundred ninety-three".