245138294 has 8 divisors (see below), whose sum is σ = 368353128. Its totient is φ = 122353920.

The previous prime is 245138293. The next prime is 245138339. The reversal of 245138294 is 492831542.

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

It is a super-4 number, since 4×245138294⁴ (a number of 35 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245138291) 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, 106187 + ... + 108470.

It is an arithmetic number, because the mean of its divisors is an integer number (46044141).

Almost surely, 2^245138294 is an apocalyptic number.

245138294 is a deficient number, since it is larger than the sum of its proper divisors (123214834).

245138294 is a wasteful number, since it uses less digits than its factorization.

245138294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215230.

The product of its digits is 69120, while the sum is 38.

The square root of 245138294 is about 15656.8928590573. The cubic root of 245138294 is about 625.8501871797.

The spelling of 245138294 in words is "two hundred forty-five million, one hundred thirty-eight thousand, two hundred ninety-four".