451241142155 has 16 divisors (see below), whose sum is σ = 553283827200. Its totient is φ = 353137537632.

The previous prime is 451241142151. The next prime is 451241142167. The reversal of 451241142155 is 551241142154.

It is a cyclic number.

It is not a de Polignac number, because 451241142155 - 2² = 451241142151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (451241142151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2696 + ... + 949994.

It is an arithmetic number, because the mean of its divisors is an integer number (34580239200).

Almost surely, 2^451241142155 is an apocalyptic number.

451241142155 is a deficient number, since it is larger than the sum of its proper divisors (102042685045).

451241142155 is a wasteful number, since it uses less digits than its factorization.

451241142155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 949378.

The product of its digits is 32000, while the sum is 35.

Subtracting 451241142155 from its reverse (551241142154), we obtain a palindrome (99999999999).

The spelling of 451241142155 in words is "four hundred fifty-one billion, two hundred forty-one million, one hundred forty-two thousand, one hundred fifty-five".