145277 has 8 divisors (see below), whose sum is σ = 162432. Its totient is φ = 128800.

The previous prime is 145267. The next prime is 145283. The reversal of 145277 is 772541.

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

It is a cyclic number.

It is not a de Polignac number, because 145277 - 2⁶ = 145213 is a prime.

It is a super-2 number, since 2×145277² = 42210813458, 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 (145207) 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, 377 + ... + 657.

It is an arithmetic number, because the mean of its divisors is an integer number (20304).

2¹⁴⁵²⁷⁷ is an apocalyptic number.

It is an amenable number.

145277 is a deficient number, since it is larger than the sum of its proper divisors (17155).

145277 is a wasteful number, since it uses less digits than its factorization.

145277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339.

The product of its digits is 1960, while the sum is 26.

The square root of 145277 is about 381.1522005708. The cubic root of 145277 is about 52.5693113261.

Subtracting 145277 from its reverse (772541), we obtain a square (627264 = 792²).

The spelling of 145277 in words is "one hundred forty-five thousand, two hundred seventy-seven".