145298 has 4 divisors (see below), whose sum is σ = 217950. Its totient is φ = 72648.

The previous prime is 145289. The next prime is 145303. The reversal of 145298 is 892541.

145298 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 134689 + 10609 = 367^2 + 103^2 .

It is a super-2 number, since 2×145298² = 42223017608, which contains 22 as substring.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 145298.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36323 + ... + 36326.

2¹⁴⁵²⁹⁸ is an apocalyptic number.

145298 is a deficient number, since it is larger than the sum of its proper divisors (72652).

145298 is an equidigital number, since it uses as much as digits as its factorization.

145298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72651.

The product of its digits is 2880, while the sum is 29.

The square root of 145298 is about 381.1797476257. The cubic root of 145298 is about 52.5718441940.

The spelling of 145298 in words is "one hundred forty-five thousand, two hundred ninety-eight".