245120390 has 8 divisors (see below), whose sum is σ = 441216720. Its totient is φ = 98048152.

The previous prime is 245120357. The next prime is 245120417. The reversal of 245120390 is 93021542.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12256010 + ... + 12256029.

It is an arithmetic number, because the mean of its divisors is an integer number (55152090).

Almost surely, 2^245120390 is an apocalyptic number.

245120390 is a deficient number, since it is larger than the sum of its proper divisors (196096330).

245120390 is a wasteful number, since it uses less digits than its factorization.

245120390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24512046.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 245120390 is about 15656.3210876630. The cubic root of 245120390 is about 625.8349502097.

The spelling of 245120390 in words is "two hundred forty-five million, one hundred twenty thousand, three hundred ninety".