245433390 has 64 divisors (see below), whose sum is σ = 599560704. Its totient is φ = 64291968.

The previous prime is 245433371. The next prime is 245433413. The reversal of 245433390 is 93334542.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 503727 + ... + 504213.

It is an arithmetic number, because the mean of its divisors is an integer number (9368136).

Almost surely, 2^245433390 is an apocalyptic number.

245433390 is an abundant number, since it is smaller than the sum of its proper divisors (354127314).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245433390 is a wasteful number, since it uses less digits than its factorization.

245433390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761.

The product of its (nonzero) digits is 38880, while the sum is 33.

The square root of 245433390 is about 15666.3138612757. The cubic root of 245433390 is about 626.1012180372.

The spelling of 245433390 in words is "two hundred forty-five million, four hundred thirty-three thousand, three hundred ninety".