249344149 has 8 divisors (see below), whose sum is σ = 255763640. Its totient is φ = 243000000.

The previous prime is 249344141. The next prime is 249344209. The reversal of 249344149 is 941443942.

It can be written as a sum of positive squares in 4 ways, for example, as 4202500 + 245141649 = 2050^2 + 15657^2 .

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 249344149 - 2³ = 249344141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249344141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12102 + ... + 25399.

It is an arithmetic number, because the mean of its divisors is an integer number (31970455).

Almost surely, 2^249344149 is an apocalyptic number.

It is an amenable number.

249344149 is a deficient number, since it is larger than the sum of its proper divisors (6419491).

249344149 is a wasteful number, since it uses less digits than its factorization.

249344149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37671.

The product of its digits is 124416, while the sum is 40.

The square root of 249344149 is about 15790.6348510755. The cubic root of 249344149 is about 629.4091621966.

The spelling of 249344149 in words is "two hundred forty-nine million, three hundred forty-four thousand, one hundred forty-nine".