451099 has 8 divisors (see below), whose sum is σ = 513792. Its totient is φ = 392040.

The previous prime is 451097. The next prime is 451103. The reversal of 451099 is 990154.

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

It is not a de Polignac number, because 451099 - 2¹ = 451097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (451093) 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, 639 + ... + 1144.

It is an arithmetic number, because the mean of its divisors is an integer number (64224).

2⁴⁵¹⁰⁹⁹ is an apocalyptic number.

451099 is a deficient number, since it is larger than the sum of its proper divisors (62693).

451099 is a wasteful number, since it uses less digits than its factorization.

451099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1817.

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 451099 is about 671.6390399612. The cubic root of 451099 is about 76.6932757877.

It can be divided in two parts, 45 and 1099, that multiplied together give a triangular number (49455 = T₃₁₄).

The spelling of 451099 in words is "four hundred fifty-one thousand, ninety-nine".