145934253 has 12 divisors (see below), whose sum is σ = 216491548. Its totient is φ = 94659840.

The previous prime is 145934249. The next prime is 145934297. The reversal of 145934253 is 352439541.

145934253 is a `hidden beast` number, since 14 + 593 + 4 + 2 + 53 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 132296004 + 13638249 = 11502^2 + 3693^2 .

It is not a de Polignac number, because 145934253 - 2² = 145934249 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 (145934213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 218788 + ... + 219453.

Almost surely, 2^145934253 is an apocalyptic number.

It is an amenable number.

145934253 is a deficient number, since it is larger than the sum of its proper divisors (70557295).

145934253 is a wasteful number, since it uses less digits than its factorization.

145934253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438284 (or 438281 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 145934253 is about 12080.3250370178. The cubic root of 145934253 is about 526.4846898847.

The spelling of 145934253 in words is "one hundred forty-five million, nine hundred thirty-four thousand, two hundred fifty-three".