454144641506 has 16 divisors (see below), whose sum is σ = 681938580960. Its totient is φ = 226831842720.

The previous prime is 454144641409. The next prime is 454144641569. The reversal of 454144641506 is 605146441454.

It is a super-2 number, since 2×454144641506² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24798005 + ... + 24816311.

It is an arithmetic number, because the mean of its divisors is an integer number (42621161310).

Almost surely, 2^454144641506 is an apocalyptic number.

454144641506 is a deficient number, since it is larger than the sum of its proper divisors (227793939454).

454144641506 is a wasteful number, since it uses less digits than its factorization.

454144641506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30769.

The product of its (nonzero) digits is 921600, while the sum is 44.

The spelling of 454144641506 in words is "four hundred fifty-four billion, one hundred forty-four million, six hundred forty-one thousand, five hundred six".