451140133 has 8 divisors (see below), whose sum is σ = 464695616. Its totient is φ = 437724000.

The previous prime is 451140119. The next prime is 451140139. The reversal of 451140133 is 331041154.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-451140133 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 (451140139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28248 + ... + 41233.

It is an arithmetic number, because the mean of its divisors is an integer number (58086952).

Almost surely, 2^451140133 is an apocalyptic number.

451140133 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

451140133 is a deficient number, since it is larger than the sum of its proper divisors (13555483).

451140133 is a wasteful number, since it uses less digits than its factorization.

451140133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69675.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 451140133 is about 21240.0596279766. The cubic root of 451140133 is about 766.9560678278.

Adding to 451140133 its reverse (331041154), we get a palindrome (782181287).

It can be divided in two parts, 4511 and 40133, that added together give a palindrome (44644).

The spelling of 451140133 in words is "four hundred fifty-one million, one hundred forty thousand, one hundred thirty-three".