145112253 has 48 divisors (see below), whose sum is σ = 240158016. Its totient is φ = 76826880.

The previous prime is 145112213. The next prime is 145112263. The reversal of 145112253 is 352211541.

It is a happy number.

It is not a de Polignac number, because 145112253 - 2²⁴ = 128335037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145112203) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 154401 + ... + 155337.

It is an arithmetic number, because the mean of its divisors is an integer number (5003292).

Almost surely, 2^145112253 is an apocalyptic number.

145112253 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

145112253 is a deficient number, since it is larger than the sum of its proper divisors (95045763).

145112253 is a wasteful number, since it uses less digits than its factorization.

145112253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002 (or 983 counting only the distinct ones).

The product of its digits is 1200, while the sum is 24.

The square root of 145112253 is about 12046.2547291679. The cubic root of 145112253 is about 525.4943226247.

Adding to 145112253 its reverse (352211541), we get a palindrome (497323794).

The spelling of 145112253 in words is "one hundred forty-five million, one hundred twelve thousand, two hundred fifty-three".