245778532 has 24 divisors (see below), whose sum is σ = 435758400. Its totient is φ = 121286880.

The previous prime is 245778523. The next prime is 245778539. The reversal of 245778532 is 235877542.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (245778539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103098 + ... + 105454.

It is an arithmetic number, because the mean of its divisors is an integer number (18156600).

Almost surely, 2^245778532 is an apocalyptic number.

It is an amenable number.

245778532 is a deficient number, since it is larger than the sum of its proper divisors (189979868).

245778532 is a wasteful number, since it uses less digits than its factorization.

245778532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2691 (or 2689 counting only the distinct ones).

The product of its digits is 470400, while the sum is 43.

The square root of 245778532 is about 15677.3254096482. The cubic root of 245778532 is about 626.3945666199.

The spelling of 245778532 in words is "two hundred forty-five million, seven hundred seventy-eight thousand, five hundred thirty-two".