245868542 has 8 divisors (see below), whose sum is σ = 372454632. Its totient is φ = 121717000.

The previous prime is 245868541. The next prime is 245868547.

245868542 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 245868493 and 245868502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245868541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 608384 + ... + 608787.

It is an arithmetic number, because the mean of its divisors is an integer number (46556829).

Almost surely, 2^245868542 is an apocalyptic number.

245868542 is a deficient number, since it is larger than the sum of its proper divisors (126586090).

245868542 is a wasteful number, since it uses less digits than its factorization.

245868542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1217274.

The product of its digits is 614400, while the sum is 44.

The square root of 245868542 is about 15680.1958533687. The cubic root of 245868542 is about 626.4710241975.

The spelling of 245868542 in words is "two hundred forty-five million, eight hundred sixty-eight thousand, five hundred forty-two".