240172045 has 8 divisors (see below), whose sum is σ = 288691200. Its totient is φ = 191814480.

The previous prime is 240172033. The next prime is 240172063. The reversal of 240172045 is 540271042.

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

It is not a de Polignac number, because 240172045 - 2⁵ = 240172013 is a prime.

It is a super-2 number, since 2×240172045² = 115365222398964050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37101 + ... + 43090.

It is an arithmetic number, because the mean of its divisors is an integer number (36086400).

Almost surely, 2^240172045 is an apocalyptic number.

It is an amenable number.

240172045 is a deficient number, since it is larger than the sum of its proper divisors (48519155).

240172045 is an equidigital number, since it uses as much as digits as its factorization.

240172045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80795.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 240172045 is about 15497.4851185604. The cubic root of 240172045 is about 621.5949612263.

It can be divided in two parts, 24017 and 2045, that added together give a palindrome (26062).

The spelling of 240172045 in words is "two hundred forty million, one hundred seventy-two thousand, forty-five".