145436 has 12 divisors (see below), whose sum is σ = 257712. Its totient is φ = 71808.

The previous prime is 145433. The next prime is 145441. The reversal of 145436 is 634541.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236 + ... + 588.

It is an arithmetic number, because the mean of its divisors is an integer number (21476).

2¹⁴⁵⁴³⁶ is an apocalyptic number.

It is an amenable number.

145436 is a deficient number, since it is larger than the sum of its proper divisors (112276).

145436 is a wasteful number, since it uses less digits than its factorization.

145436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460 (or 458 counting only the distinct ones).

The product of its digits is 1440, while the sum is 23.

The square root of 145436 is about 381.3607216272. The cubic root of 145436 is about 52.5884826861.

Adding to 145436 its reverse (634541), we get a palindrome (779977).

The spelling of 145436 in words is "one hundred forty-five thousand, four hundred thirty-six".