145465 has 8 divisors (see below), whose sum is σ = 178560. Its totient is φ = 113712.

The previous prime is 145463. The next prime is 145471. The reversal of 145465 is 564541.

145465 = T₅₄ + T₅₅ + ... + T₁₀₀.

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 145465 - 2¹ = 145463 is a prime.

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 in 7 ways as a sum of consecutive naturals, for example, 75 + ... + 544.

It is an arithmetic number, because the mean of its divisors is an integer number (22320).

2¹⁴⁵⁴⁶⁵ is an apocalyptic number.

It is an amenable number.

145465 is a deficient number, since it is larger than the sum of its proper divisors (33095).

145465 is an equidigital number, since it uses as much as digits as its factorization.

145465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671.

The product of its digits is 2400, while the sum is 25.

The square root of 145465 is about 381.3987414767. The cubic root of 145465 is about 52.5919778423.

The spelling of 145465 in words is "one hundred forty-five thousand, four hundred sixty-five".