145254 has 16 divisors (see below), whose sum is σ = 297792. Its totient is φ = 47208.

The previous prime is 145253. The next prime is 145259. The reversal of 145254 is 452541.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 145254.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 145254.

It is not an unprimeable number, because it can be changed into a prime (145253) 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, 24 + ... + 539.

It is an arithmetic number, because the mean of its divisors is an integer number (18612).

2¹⁴⁵²⁵⁴ is an apocalyptic number.

145254 is an abundant number, since it is smaller than the sum of its proper divisors (152538).

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

145254 is a wasteful number, since it uses less digits than its factorization.

145254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611.

The product of its digits is 800, while the sum is 21.

The square root of 145254 is about 381.1220277024. The cubic root of 145254 is about 52.5665369526.

Adding to 145254 its reverse (452541), we get a palindrome (597795).

The spelling of 145254 in words is "one hundred forty-five thousand, two hundred fifty-four".