49448145 has 16 divisors (see below), whose sum is σ = 79394112. Its totient is φ = 26280000.

The previous prime is 49448141. The next prime is 49448149. The reversal of 49448145 is 54184494.

It is an interprime number because it is at equal distance from previous prime (49448141) and next prime (49448149).

It is not a de Polignac number, because 49448145 - 2² = 49448141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49448141) 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, 1231 + ... + 10020.

It is an arithmetic number, because the mean of its divisors is an integer number (4962132).

Almost surely, 2^49448145 is an apocalyptic number.

It is an amenable number.

49448145 is a deficient number, since it is larger than the sum of its proper divisors (29945967).

49448145 is a wasteful number, since it uses less digits than its factorization.

49448145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11552.

The product of its digits is 92160, while the sum is 39.

The square root of 49448145 is about 7031.9374997222. The cubic root of 49448145 is about 367.0427651512.

The spelling of 49448145 in words is "forty-nine million, four hundred forty-eight thousand, one hundred forty-five".