145294 has 4 divisors (see below), whose sum is σ = 217944. Its totient is φ = 72646.

The previous prime is 145289. The next prime is 145303. The reversal of 145294 is 492541.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×145294² = 42220692872, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36322 + ... + 36325.

It is an arithmetic number, because the mean of its divisors is an integer number (54486).

2¹⁴⁵²⁹⁴ is an apocalyptic number.

145294 is a deficient number, since it is larger than the sum of its proper divisors (72650).

145294 is an equidigital number, since it uses as much as digits as its factorization.

145294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72649.

The product of its digits is 1440, while the sum is 25.

The square root of 145294 is about 381.1745007211. The cubic root of 145294 is about 52.5713617618.

The spelling of 145294 in words is "one hundred forty-five thousand, two hundred ninety-four".