451156 has 18 divisors (see below), whose sum is σ = 821562. Its totient is φ = 216720.

The previous prime is 451109. The next prime is 451159. The reversal of 451156 is 651154.

It can be written as a sum of positive squares in only one way, i.e., 266256 + 184900 = 516^2 + 430^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451159) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7366 + ... + 7426.

2⁴⁵¹¹⁵⁶ is an apocalyptic number.

It is an amenable number.

451156 is a deficient number, since it is larger than the sum of its proper divisors (370406).

451156 is a wasteful number, since it uses less digits than its factorization.

451156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151 (or 106 counting only the distinct ones).

The product of its digits is 600, while the sum is 22.

The square root of 451156 is about 671.6814721280. The cubic root of 451156 is about 76.6965059232.

The spelling of 451156 in words is "four hundred fifty-one thousand, one hundred fifty-six".