450619149 has 8 divisors (see below), whose sum is σ = 603319552. Its totient is φ = 299165760.

The previous prime is 450619121. The next prime is 450619159. The reversal of 450619149 is 941916054.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 450619149 - 2¹³ = 450610957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450619159) 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, 310909 + ... + 312354.

It is an arithmetic number, because the mean of its divisors is an integer number (75414944).

Almost surely, 2^450619149 is an apocalyptic number.

It is an amenable number.

450619149 is a deficient number, since it is larger than the sum of its proper divisors (152700403).

450619149 is a wasteful number, since it uses less digits than its factorization.

450619149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623507.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 450619149 is about 21227.7919011846. The cubic root of 450619149 is about 766.6607229743.

The spelling of 450619149 in words is "four hundred fifty million, six hundred nineteen thousand, one hundred forty-nine".