240516145 has 8 divisors (see below), whose sum is σ = 288962856. Its totient is φ = 192183936.

The previous prime is 240516139. The next prime is 240516161. The reversal of 240516145 is 541615042.

It can be written as a sum of positive squares in 4 ways, for example, as 142129 + 240374016 = 377^2 + 15504^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 240516145 - 2³ = 240516137 is a prime.

It is a super-2 number, since 2×240516145² = 115696032011322050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23932 + ... + 32461.

It is an arithmetic number, because the mean of its divisors is an integer number (36120357).

Almost surely, 2^240516145 is an apocalyptic number.

It is an amenable number.

240516145 is a deficient number, since it is larger than the sum of its proper divisors (48446711).

240516145 is an equidigital number, since it uses as much as digits as its factorization.

240516145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57251.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 240516145 is about 15508.5829462269. The cubic root of 240516145 is about 621.8916773555.

The spelling of 240516145 in words is "two hundred forty million, five hundred sixteen thousand, one hundred forty-five".