454691137 has 4 divisors (see below), whose sum is σ = 455206960. Its totient is φ = 454175316.

The previous prime is 454691123. The next prime is 454691143. The reversal of 454691137 is 731196454.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-454691137 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 454691137.

It is not an unprimeable number, because it can be changed into a prime (454697137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 256587 + ... + 258352.

It is an arithmetic number, because the mean of its divisors is an integer number (113801740).

Almost surely, 2^454691137 is an apocalyptic number.

It is an amenable number.

454691137 is a deficient number, since it is larger than the sum of its proper divisors (515823).

454691137 is an equidigital number, since it uses as much as digits as its factorization.

454691137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515822.

The product of its digits is 90720, while the sum is 40.

The square root of 454691137 is about 21323.4879182558. The cubic root of 454691137 is about 768.9630935293.

The spelling of 454691137 in words is "four hundred fifty-four million, six hundred ninety-one thousand, one hundred thirty-seven".