240051145 has 4 divisors (see below), whose sum is σ = 288061380. Its totient is φ = 192040912.

The previous prime is 240051143. The next prime is 240051157. The reversal of 240051145 is 541150042.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 541150042 = 2 ⋅270575021.

It can be written as a sum of positive squares in 2 ways, for example, as 100881936 + 139169209 = 10044^2 + 11797^2 .

It is a cyclic number.

It is not a de Polignac number, because 240051145 - 2¹ = 240051143 is a prime.

It is a super-2 number, since 2×240051145² = 115249104431622050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (240051143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24005110 + ... + 24005119.

It is an arithmetic number, because the mean of its divisors is an integer number (72015345).

Almost surely, 2^240051145 is an apocalyptic number.

It is an amenable number.

240051145 is a deficient number, since it is larger than the sum of its proper divisors (48010235).

240051145 is an equidigital number, since it uses as much as digits as its factorization.

240051145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48010234.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 240051145 is about 15493.5839946734. The cubic root of 240051145 is about 621.4906423350.

The spelling of 240051145 in words is "two hundred forty million, fifty-one thousand, one hundred forty-five".