450157 has 4 divisors (see below), whose sum is σ = 454716. Its totient is φ = 445600.

The previous prime is 450137. The next prime is 450161. The reversal of 450157 is 751054.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 751054 = 2 ⋅375527.

It can be written as a sum of positive squares in 2 ways, for example, as 385641 + 64516 = 621^2 + 254^2 .

It is a cyclic number.

It is not a de Polignac number, because 450157 - 2⁷ = 450029 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a Duffinian number.

450157 is a lucky number.

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2128 + ... + 2329.

It is an arithmetic number, because the mean of its divisors is an integer number (113679).

2⁴⁵⁰¹⁵⁷ is an apocalyptic number.

It is an amenable number.

450157 is a deficient number, since it is larger than the sum of its proper divisors (4559).

450157 is a wasteful number, since it uses less digits than its factorization.

450157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4558.

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 450157 is about 670.9374039357. The cubic root of 450157 is about 76.6398540980.

The spelling of 450157 in words is "four hundred fifty thousand, one hundred fifty-seven".