145196253 has 16 divisors (see below), whose sum is σ = 215291200. Its totient is φ = 96714000.

The previous prime is 145196239. The next prime is 145196257. The reversal of 145196253 is 352691541.

145196253 is a `hidden beast` number, since 14 + 5 + 19 + 625 + 3 = 666.

145196253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145196253 - 2⁶ = 145196189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145196257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59583 + ... + 61971.

It is an arithmetic number, because the mean of its divisors is an integer number (13455700).

Almost surely, 2^145196253 is an apocalyptic number.

It is an amenable number.

145196253 is a deficient number, since it is larger than the sum of its proper divisors (70094947).

145196253 is a wasteful number, since it uses less digits than its factorization.

145196253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4649 (or 4643 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 145196253 is about 12049.7407855937. The cubic root of 145196253 is about 525.5956993351.

The spelling of 145196253 in words is "one hundred forty-five million, one hundred ninety-six thousand, two hundred fifty-three".