245779342 has 4 divisors (see below), whose sum is σ = 368669016. Its totient is φ = 122889670.

The previous prime is 245779327. The next prime is 245779343. The reversal of 245779342 is 243977542.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245779343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61444834 + ... + 61444837.

It is an arithmetic number, because the mean of its divisors is an integer number (92167254).

Almost surely, 2^245779342 is an apocalyptic number.

245779342 is a deficient number, since it is larger than the sum of its proper divisors (122889674).

245779342 is a wasteful number, since it uses less digits than its factorization.

245779342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122889673.

The product of its digits is 423360, while the sum is 43.

The square root of 245779342 is about 15677.3512431150. The cubic root of 245779342 is about 626.3952547449.

The spelling of 245779342 in words is "two hundred forty-five million, seven hundred seventy-nine thousand, three hundred forty-two".