145272 has 16 divisors (see below), whose sum is σ = 363240. Its totient is φ = 48416.

The previous prime is 145267. The next prime is 145283. The reversal of 145272 is 272541.

It is a super-2 number, since 2×145272² = 42207907968, 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 in 3 ways as a sum of consecutive naturals, for example, 3003 + ... + 3050.

2¹⁴⁵²⁷² is an apocalyptic number.

145272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

145272 is an abundant number, since it is smaller than the sum of its proper divisors (217968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145272 is a wasteful number, since it uses less digits than its factorization.

145272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6062 (or 6058 counting only the distinct ones).

The product of its digits is 560, while the sum is 21.

The square root of 145272 is about 381.1456414548. The cubic root of 145272 is about 52.5687082263.

The spelling of 145272 in words is "one hundred forty-five thousand, two hundred seventy-two".