145275 has 24 divisors (see below), whose sum is σ = 260400. Its totient is φ = 71040.

The previous prime is 145267. The next prime is 145283. The reversal of 145275 is 572541.

It is an interprime number because it is at equal distance from previous prime (145267) and next prime (145283).

It is not a de Polignac number, because 145275 - 2³ = 145267 is a prime.

It is a super-2 number, since 2×145275² = 42209651250, which contains 22 as substring.

Its product of digits (1400) is a multiple of the sum of its prime factors (175).

It is a plaindrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 901 + ... + 1049.

It is an arithmetic number, because the mean of its divisors is an integer number (10850).

2¹⁴⁵²⁷⁵ is an apocalyptic number.

145275 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

145275 is a deficient number, since it is larger than the sum of its proper divisors (115125).

145275 is a wasteful number, since it uses less digits than its factorization.

145275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175 (or 170 counting only the distinct ones).

The product of its digits is 1400, while the sum is 24.

The square root of 145275 is about 381.1495769380. The cubic root of 145275 is about 52.5690700878.

It can be divided in two parts, 1452 and 75, that multiplied together give a square (108900 = 330²).

The spelling of 145275 in words is "one hundred forty-five thousand, two hundred seventy-five".