450243151 has 4 divisors (see below), whose sum is σ = 451344400. Its totient is φ = 449141904.

The previous prime is 450243103. The next prime is 450243169. The reversal of 450243151 is 151342054.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 151342054 = 2 ⋅75671027.

It is a cyclic number.

It is not a de Polignac number, because 450243151 - 2¹⁷ = 450112079 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 (450243751) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 550011 + ... + 550828.

It is an arithmetic number, because the mean of its divisors is an integer number (112836100).

Almost surely, 2^450243151 is an apocalyptic number.

450243151 is a deficient number, since it is larger than the sum of its proper divisors (1101249).

450243151 is a wasteful number, since it uses less digits than its factorization.

450243151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101248.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 450243151 is about 21218.9337856547. The cubic root of 450243151 is about 766.4474289527.

The spelling of 450243151 in words is "four hundred fifty million, two hundred forty-three thousand, one hundred fifty-one".