240533149 has 8 divisors (see below), whose sum is σ = 254738880. Its totient is φ = 226639776.

The previous prime is 240533143. The next prime is 240533173. The reversal of 240533149 is 941335042.

240533149 = T₂₆₄₆ + T₂₆₄₇ + ... + T₂₇₁₂.

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 240533149 - 2⁷ = 240533021 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 240533149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240533143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76504 + ... + 79585.

It is an arithmetic number, because the mean of its divisors is an integer number (31842360).

Almost surely, 2^240533149 is an apocalyptic number.

It is an amenable number.

240533149 is a deficient number, since it is larger than the sum of its proper divisors (14205731).

240533149 is a wasteful number, since it uses less digits than its factorization.

240533149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156179.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 240533149 is about 15509.1311491005. The cubic root of 240533149 is about 621.9063325004.

The spelling of 240533149 in words is "two hundred forty million, five hundred thirty-three thousand, one hundred forty-nine".