245133512 has 32 divisors (see below), whose sum is σ = 495633600. Its totient is φ = 112989504.

The previous prime is 245133509. The next prime is 245133521. The reversal of 245133512 is 215331542.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136283 + ... + 138069.

It is an arithmetic number, because the mean of its divisors is an integer number (15488550).

Almost surely, 2^245133512 is an apocalyptic number.

It is an amenable number.

245133512 is an abundant number, since it is smaller than the sum of its proper divisors (250500088).

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

245133512 is a wasteful number, since it uses less digits than its factorization.

245133512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3125 (or 3121 counting only the distinct ones).

The product of its digits is 3600, while the sum is 26.

The square root of 245133512 is about 15656.7401460202. The cubic root of 245133512 is about 625.8461175925.

The spelling of 245133512 in words is "two hundred forty-five million, one hundred thirty-three thousand, five hundred twelve".