451243342154 has 16 divisors (see below), whose sum is σ = 742523332320. Its totient is φ = 203964738960.

The previous prime is 451243342141. The next prime is 451243342157.

451243342154 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (451243342157) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 57289529 + ... + 57297404.

It is an arithmetic number, because the mean of its divisors is an integer number (46407708270).

Almost surely, 2^451243342154 is an apocalyptic number.

451243342154 is a deficient number, since it is larger than the sum of its proper divisors (291279990166).

451243342154 is a wasteful number, since it uses less digits than its factorization.

451243342154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114587125.

The product of its digits is 230400, while the sum is 38.

It can be divided in two parts, 451243 and 342154, that added together give a palindrome (793397).

The spelling of 451243342154 in words is "four hundred fifty-one billion, two hundred forty-three million, three hundred forty-two thousand, one hundred fifty-four".