449476154 has 16 divisors (see below), whose sum is σ = 677893536. Its totient is φ = 223515600.

The previous prime is 449476151. The next prime is 449476169. The reversal of 449476154 is 451674944.

It is not an unprimeable number, because it can be changed into a prime (449476151) 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, 543089 + ... + 543915.

It is an arithmetic number, because the mean of its divisors is an integer number (42368346).

Almost surely, 2^449476154 is an apocalyptic number.

449476154 is a deficient number, since it is larger than the sum of its proper divisors (228417382).

449476154 is a wasteful number, since it uses less digits than its factorization.

449476154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1981.

The product of its digits is 483840, while the sum is 44.

The square root of 449476154 is about 21200.8526715319. The cubic root of 449476154 is about 766.0119627643.

The spelling of 449476154 in words is "four hundred forty-nine million, four hundred seventy-six thousand, one hundred fifty-four".