451551151 has 4 divisors (see below), whose sum is σ = 451750032. Its totient is φ = 451352272.

The previous prime is 451551143. The next prime is 451551181. The reversal of 451551151 is 151155154.

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 451551151 - 2³ = 451551143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451551181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95995 + ... + 100588.

It is an arithmetic number, because the mean of its divisors is an integer number (112937508).

Almost surely, 2^451551151 is an apocalyptic number.

451551151 is a deficient number, since it is larger than the sum of its proper divisors (198881).

451551151 is a wasteful number, since it uses less digits than its factorization.

451551151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198880.

The product of its digits is 2500, while the sum is 28.

The square root of 451551151 is about 21249.7329630280. The cubic root of 451551151 is about 767.1889127482.

The spelling of 451551151 in words is "four hundred fifty-one million, five hundred fifty-one thousand, one hundred fifty-one".