240995945 has 8 divisors (see below), whose sum is σ = 299167560. Its totient is φ = 186148480.

The previous prime is 240995941. The next prime is 240995947. The reversal of 240995945 is 549599042.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 87310336 + 153685609 = 9344^2 + 12397^2 .

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

It is not a de Polignac number, because 240995945 - 2² = 240995941 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 240995945.

It is not an unprimeable number, because it can be changed into a prime (240995941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 830876 + ... + 831165.

It is an arithmetic number, because the mean of its divisors is an integer number (37395945).

Almost surely, 2^240995945 is an apocalyptic number.

It is an amenable number.

240995945 is a deficient number, since it is larger than the sum of its proper divisors (58171615).

240995945 is a wasteful number, since it uses less digits than its factorization.

240995945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1662075.

The product of its (nonzero) digits is 583200, while the sum is 47.

The square root of 240995945 is about 15524.0440929546. The cubic root of 240995945 is about 622.3049350373.

The spelling of 240995945 in words is "two hundred forty million, nine hundred ninety-five thousand, nine hundred forty-five".