450153031 has 4 divisors (see below), whose sum is σ = 452136312. Its totient is φ = 448169752.

The previous prime is 450153017. The next prime is 450153043. The reversal of 450153031 is 130351054.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 450153031 - 2⁵ = 450152999 is a prime.

It is a super-2 number, since 2×450153031² = 405275502636973922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 450152993 and 450153011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450153091) 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, 991300 + ... + 991753.

It is an arithmetic number, because the mean of its divisors is an integer number (113034078).

Almost surely, 2^450153031 is an apocalyptic number.

450153031 is a deficient number, since it is larger than the sum of its proper divisors (1983281).

450153031 is a wasteful number, since it uses less digits than its factorization.

450153031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1983280.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 450153031 is about 21216.8101042546. The cubic root of 450153031 is about 766.3962885477.

The spelling of 450153031 in words is "four hundred fifty million, one hundred fifty-three thousand, thirty-one".