245073442 has 8 divisors (see below), whose sum is σ = 371046096. Its totient is φ = 121391412.

The previous prime is 245073407. The next prime is 245073449. The reversal of 245073442 is 244370542.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (245073449) 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 in 3 ways as a sum of consecutive naturals, for example, 572388 + ... + 572815.

It is an arithmetic number, because the mean of its divisors is an integer number (46380762).

Almost surely, 2^245073442 is an apocalyptic number.

245073442 is a deficient number, since it is larger than the sum of its proper divisors (125972654).

245073442 is a wasteful number, since it uses less digits than its factorization.

245073442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1145312.

The product of its (nonzero) digits is 26880, while the sum is 31.

The square root of 245073442 is about 15654.8216853467. The cubic root of 245073442 is about 625.7949921911.

The spelling of 245073442 in words is "two hundred forty-five million, seventy-three thousand, four hundred forty-two".