245133488 has 20 divisors (see below), whose sum is σ = 478575768. Its totient is φ = 121630080.

The previous prime is 245133487. The next prime is 245133509. The reversal of 245133488 is 884331542.

It is a happy number.

It is a super-2 number, since 2×245133488² = 120180853878092288, which contains 22 as substring.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (245133487) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 56381 + ... + 60572.

Almost surely, 2^245133488 is an apocalyptic number.

It is an amenable number.

245133488 is a deficient number, since it is larger than the sum of its proper divisors (233442280).

245133488 is a wasteful number, since it uses less digits than its factorization.

245133488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117092 (or 117086 counting only the distinct ones).

The product of its digits is 92160, while the sum is 38.

The square root of 245133488 is about 15656.7393795771. The cubic root of 245133488 is about 625.8460971678.

The spelling of 245133488 in words is "two hundred forty-five million, one hundred thirty-three thousand, four hundred eighty-eight".