451727154 has 48 divisors (see below), whose sum is σ = 1016622360. Its totient is φ = 144840960.

The previous prime is 451727149. The next prime is 451727161.

451727154 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 446181129 + 5546025 = 21123^2 + 2355^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55464 + ... + 63084.

Almost surely, 2^451727154 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 451727154, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (508311180).

451727154 is an abundant number, since it is smaller than the sum of its proper divisors (564895206).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

451727154 is a wasteful number, since it uses less digits than its factorization.

451727154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7755 (or 7752 counting only the distinct ones).

The product of its digits is 39200, while the sum is 36.

The square root of 451727154 is about 21253.8738586640. The cubic root of 451727154 is about 767.2885766218.

It can be divided in two parts, 45172 and 7154, that added together give a triangular number (52326 = T₃₂₃).

The spelling of 451727154 in words is "four hundred fifty-one million, seven hundred twenty-seven thousand, one hundred fifty-four".