449204151 has 24 divisors (see below), whose sum is σ = 664436080. Its totient is φ = 269723520.

The previous prime is 449204143. The next prime is 449204153. The reversal of 449204151 is 151402944.

It is not a de Polignac number, because 449204151 - 2³ = 449204143 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449204153) 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, 33891 + ... + 45243.

Almost surely, 2^449204151 is an apocalyptic number.

449204151 is a deficient number, since it is larger than the sum of its proper divisors (215231929).

449204151 is a wasteful number, since it uses less digits than its factorization.

449204151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11487 (or 11476 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 449204151 is about 21194.4367936494. The cubic root of 449204151 is about 765.8574127815.

It can be divided in two parts, 44 and 9204151, that added together give a triangular number (9204195 = T₄₂₉₀).

The spelling of 449204151 in words is "four hundred forty-nine million, two hundred four thousand, one hundred fifty-one".