449000152 has 16 divisors (see below), whose sum is σ = 861454440. Its totient is φ = 219278976.

The previous prime is 449000137. The next prime is 449000171. The reversal of 449000152 is 251000944.

It is a super-2 number, since 2×449000152² = 403202272992046208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 652273 + ... + 652960.

Almost surely, 2^449000152 is an apocalyptic number.

It is an amenable number.

449000152 is a deficient number, since it is larger than the sum of its proper divisors (412454288).

449000152 is a wasteful number, since it uses less digits than its factorization.

449000152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1305282 (or 1305278 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 449000152 is about 21189.6236870785. The cubic root of 449000152 is about 765.7414611943.

The spelling of 449000152 in words is "four hundred forty-nine million, one hundred fifty-two", and thus it is an aban number.