245237990 has 8 divisors (see below), whose sum is σ = 441428400. Its totient is φ = 98095192.

The previous prime is 245237989. The next prime is 245238001. The reversal of 245237990 is 99732542.

245237990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 12261890 + ... + 12261909.

It is an arithmetic number, because the mean of its divisors is an integer number (55178550).

Almost surely, 2^245237990 is an apocalyptic number.

245237990 is a deficient number, since it is larger than the sum of its proper divisors (196190410).

245237990 is a wasteful number, since it uses less digits than its factorization.

245237990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24523806.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 245237990 is about 15660.0763088818. The cubic root of 245237990 is about 625.9350186201.

The spelling of 245237990 in words is "two hundred forty-five million, two hundred thirty-seven thousand, nine hundred ninety".