240980545 has 32 divisors (see below), whose sum is σ = 326592000. Its totient is φ = 169365504.

The previous prime is 240980539. The next prime is 240980569. The reversal of 240980545 is 545089042.

240980545 = 1² + 2² + ... + 897².

It is a cyclic number.

It is not a de Polignac number, because 240980545 - 2⁵ = 240980513 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 536481 + ... + 536929.

It is an arithmetic number, because the mean of its divisors is an integer number (10206000).

Almost surely, 2^240980545 is an apocalyptic number.

It is an amenable number.

240980545 is a deficient number, since it is larger than the sum of its proper divisors (85611455).

240980545 is a wasteful number, since it uses less digits than its factorization.

240980545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849.

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 240980545 is about 15523.5480802554. The cubic root of 240980545 is about 622.2916793507.

The spelling of 240980545 in words is "two hundred forty million, nine hundred eighty thousand, five hundred forty-five".