245043754 has 4 divisors (see below), whose sum is σ = 367565634. Its totient is φ = 122521876.

The previous prime is 245043749. The next prime is 245043781. The reversal of 245043754 is 457340542.

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., 244766025 + 277729 = 15645^2 + 527^2 .

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 as a sum of consecutive naturals, namely, 61260937 + ... + 61260940.

Almost surely, 2^245043754 is an apocalyptic number.

245043754 is a deficient number, since it is larger than the sum of its proper divisors (122521880).

245043754 is a wasteful number, since it uses less digits than its factorization.

245043754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122521879.

The product of its (nonzero) digits is 67200, while the sum is 34.

The square root of 245043754 is about 15653.8734503637. The cubic root of 245043754 is about 625.7697217364.

The spelling of 245043754 in words is "two hundred forty-five million, forty-three thousand, seven hundred fifty-four".