145466 has 4 divisors (see below), whose sum is σ = 218202. Its totient is φ = 72732.

The previous prime is 145463. The next prime is 145471. The reversal of 145466 is 664541.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 664541 = 467 ⋅1423.

It can be written as a sum of positive squares in only one way, i.e., 93025 + 52441 = 305^2 + 229^2 .

It is not an unprimeable number, because it can be changed into a prime (145463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36365 + ... + 36368.

2¹⁴⁵⁴⁶⁶ is an apocalyptic number.

145466 is a deficient number, since it is larger than the sum of its proper divisors (72736).

145466 is an equidigital number, since it uses as much as digits as its factorization.

145466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72735.

The product of its digits is 2880, while the sum is 26.

The square root of 145466 is about 381.4000524384. The cubic root of 145466 is about 52.5920983567.

The spelling of 145466 in words is "one hundred forty-five thousand, four hundred sixty-six".