245540546 has 4 divisors (see below), whose sum is σ = 368310822. Its totient is φ = 122770272.

The previous prime is 245540543. The next prime is 245540551. The reversal of 245540546 is 645045542.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 175165225 + 70375321 = 13235^2 + 8389^2 .

It is not an unprimeable number, because it can be changed into a prime (245540543) 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 as a sum of consecutive naturals, namely, 61385135 + ... + 61385138.

Almost surely, 2^245540546 is an apocalyptic number.

245540546 is a deficient number, since it is larger than the sum of its proper divisors (122770276).

245540546 is a wasteful number, since it uses less digits than its factorization.

245540546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122770275.

The product of its (nonzero) digits is 96000, while the sum is 35.

The square root of 245540546 is about 15669.7334374264. The cubic root of 245540546 is about 626.1923231915.

The spelling of 245540546 in words is "two hundred forty-five million, five hundred forty thousand, five hundred forty-six".