254720149 has 8 divisors (see below), whose sum is σ = 263252480. Its totient is φ = 246207600.

The previous prime is 254720143. The next prime is 254720159. The reversal of 254720149 is 941027452.

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 254720149 - 2⁵ = 254720117 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 (254720143) 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, 24019 + ... + 32959.

It is an arithmetic number, because the mean of its divisors is an integer number (32906560).

Almost surely, 2^254720149 is an apocalyptic number.

It is an amenable number.

254720149 is a deficient number, since it is larger than the sum of its proper divisors (8532331).

254720149 is an equidigital number, since it uses as much as digits as its factorization.

254720149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9891.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 254720149 is about 15959.9545425418. The cubic root of 254720149 is about 633.9005083258.

The spelling of 254720149 in words is "two hundred fifty-four million, seven hundred twenty thousand, one hundred forty-nine".