449822151 has 24 divisors (see below), whose sum is σ = 657723456. Its totient is φ = 296217600.

The previous prime is 449822147. The next prime is 449822171. The reversal of 449822151 is 151228944.

It is not a de Polignac number, because 449822151 - 2² = 449822147 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449822141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 407266 + ... + 408368.

It is an arithmetic number, because the mean of its divisors is an integer number (27405144).

Almost surely, 2^449822151 is an apocalyptic number.

449822151 is a deficient number, since it is larger than the sum of its proper divisors (207901305).

449822151 is a wasteful number, since it uses less digits than its factorization.

449822151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1623 (or 1620 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 449822151 is about 21209.0110801989. The cubic root of 449822151 is about 766.2084654864.

The spelling of 449822151 in words is "four hundred forty-nine million, eight hundred twenty-two thousand, one hundred fifty-one".