451142525320203 has 4 divisors (see below), whose sum is σ = 601523367093608. Its totient is φ = 300761683546800.

The previous prime is 451142525320187. The next prime is 451142525320217. The reversal of 451142525320203 is 302023525241154.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 451142525320203 - 2⁴ = 451142525320187 is a prime.

It is a super-2 number, since 2×451142525320203² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (451142525320273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75190420886698 + ... + 75190420886703.

It is an arithmetic number, because the mean of its divisors is an integer number (150380841773402).

Almost surely, 2^{451142525320203} is an apocalyptic number.

451142525320203 is a deficient number, since it is larger than the sum of its proper divisors (150380841773405).

451142525320203 is a wasteful number, since it uses less digits than its factorization.

451142525320203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150380841773404.

The product of its (nonzero) digits is 288000, while the sum is 39.

The spelling of 451142525320203 in words is "four hundred fifty-one trillion, one hundred forty-two billion, five hundred twenty-five million, three hundred twenty thousand, two hundred three".