49144281 has 16 divisors (see below), whose sum is σ = 68560128. Its totient is φ = 31280000.

The previous prime is 49144273. The next prime is 49144289. The reversal of 49144281 is 18244194.

It is an interprime number because it is at equal distance from previous prime (49144273) and next prime (49144289).

It is a cyclic number.

It is not a de Polignac number, because 49144281 - 2³ = 49144273 is a prime.

It is a super-2 number, since 2×49144281² = 4830320710013922, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (49144289) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1531 + ... + 10031.

It is an arithmetic number, because the mean of its divisors is an integer number (4285008).

Almost surely, 2^49144281 is an apocalyptic number.

49144281 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

49144281 is a deficient number, since it is larger than the sum of its proper divisors (19415847).

49144281 is a wasteful number, since it uses less digits than its factorization.

49144281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8592.

The product of its digits is 9216, while the sum is 33.

The square root of 49144281 is about 7010.2982104901. The cubic root of 49144281 is about 366.2893811591.

The spelling of 49144281 in words is "forty-nine million, one hundred forty-four thousand, two hundred eighty-one".