245632990 has 8 divisors (see below), whose sum is σ = 442139400. Its totient is φ = 98253192.

The previous prime is 245632979. The next prime is 245633021. The reversal of 245632990 is 99236542.

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, 12281640 + ... + 12281659.

It is an arithmetic number, because the mean of its divisors is an integer number (55267425).

Almost surely, 2^245632990 is an apocalyptic number.

245632990 is a deficient number, since it is larger than the sum of its proper divisors (196506410).

245632990 is a wasteful number, since it uses less digits than its factorization.

245632990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24563306.

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 245632990 is about 15672.6829228438. The cubic root of 245632990 is about 626.2708987545.

The spelling of 245632990 in words is "two hundred forty-five million, six hundred thirty-two thousand, nine hundred ninety".