454121145 has 24 divisors (see below), whose sum is σ = 787854600. Its totient is φ = 241979136.

The previous prime is 454121111. The next prime is 454121189. The reversal of 454121145 is 541121454.

454121145 is a `hidden beast` number, since 4 + 541 + 2 + 114 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 35141184 + 418979961 = 5928^2 + 20469^2 .

It is not a de Polignac number, because 454121145 - 2¹² = 454117049 is a prime.

It is a super-2 number, since 2×454121145² = 412452028672222050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54091 + ... + 61919.

It is an arithmetic number, because the mean of its divisors is an integer number (32827275).

Almost surely, 2^454121145 is an apocalyptic number.

454121145 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

454121145 is a deficient number, since it is larger than the sum of its proper divisors (333733455).

454121145 is a wasteful number, since it uses less digits than its factorization.

454121145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9129 (or 9126 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 454121145 is about 21310.1183713277. The cubic root of 454121145 is about 768.6416400906.

Adding to 454121145 its reverse (541121454), we get a palindrome (995242599).

The spelling of 454121145 in words is "four hundred fifty-four million, one hundred twenty-one thousand, one hundred forty-five".