145486254 has 16 divisors (see below), whose sum is σ = 291253248. Its totient is φ = 48448632.

The previous prime is 145486223. The next prime is 145486259. The reversal of 145486254 is 452684541.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145486259) 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, 4632 + ... + 17675.

It is an arithmetic number, because the mean of its divisors is an integer number (18203328).

Almost surely, 2^145486254 is an apocalyptic number.

145486254 is an abundant number, since it is smaller than the sum of its proper divisors (145766994).

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

145486254 is a wasteful number, since it uses less digits than its factorization.

145486254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23399.

The product of its digits is 153600, while the sum is 39.

The square root of 145486254 is about 12061.7682783247. The cubic root of 145486254 is about 525.9453913535.

It can be divided in two parts, 14548 and 6254, that added together give a palindrome (20802).

The spelling of 145486254 in words is "one hundred forty-five million, four hundred eighty-six thousand, two hundred fifty-four".