63449154 has 48 divisors (see below), whose sum is σ = 144263808. Its totient is φ = 20130336.

The previous prime is 63449153. The next prime is 63449167. The reversal of 63449154 is 45194436.

63449154 is a `hidden beast` number, since 63 + 449 + 154 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63449153) 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, 30289 + ... + 32315.

It is an arithmetic number, because the mean of its divisors is an integer number (3005496).

Almost surely, 2^63449154 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63449154, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72131904).

63449154 is an abundant number, since it is smaller than the sum of its proper divisors (80814654).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63449154 is a wasteful number, since it uses less digits than its factorization.

63449154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2119 (or 2116 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 63449154 is about 7965.4977245618. The cubic root of 63449154 is about 398.8490958920.

The spelling of 63449154 in words is "sixty-three million, four hundred forty-nine thousand, one hundred fifty-four".