449608154 has 16 divisors (see below), whose sum is σ = 678650280. Its totient is φ = 223395840.

The previous prime is 449608151. The next prime is 449608171. The reversal of 449608154 is 451806944.

It can be written as a sum of positive squares in 4 ways, for example, as 303560929 + 146047225 = 17423^2 + 12085^2 .

It is not an unprimeable number, because it can be changed into a prime (449608151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 370052 + ... + 371264.

Almost surely, 2^449608154 is an apocalyptic number.

449608154 is a deficient number, since it is larger than the sum of its proper divisors (229042126).

449608154 is a wasteful number, since it uses less digits than its factorization.

449608154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2225.

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 449608154 is about 21203.9655253445. The cubic root of 449608154 is about 766.0869416641.

The spelling of 449608154 in words is "four hundred forty-nine million, six hundred eight thousand, one hundred fifty-four".