451011145 has 16 divisors (see below), whose sum is σ = 586308240. Its totient is φ = 333046272.

The previous prime is 451011101. The next prime is 451011199. The reversal of 451011145 is 541110154.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 415059129 + 35952016 = 20373^2 + 5996^2 .

It is not a de Polignac number, because 451011145 - 2⁷ = 451011017 is a prime.

It is a super-2 number, since 2×451011145² = 406822105828422050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9544 + ... + 31513.

It is an arithmetic number, because the mean of its divisors is an integer number (36644265).

Almost surely, 2^451011145 is an apocalyptic number.

It is an amenable number.

451011145 is a deficient number, since it is larger than the sum of its proper divisors (135297095).

451011145 is an equidigital number, since it uses as much as digits as its factorization.

451011145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41101 (or 41075 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 451011145 is about 21237.0229787510. The cubic root of 451011145 is about 766.8829659600.

Adding to 451011145 its reverse (541110154), we get a palindrome (992121299).

Subtracting 451011145 from its reverse (541110154), we obtain a palindrome (90099009).

The spelling of 451011145 in words is "four hundred fifty-one million, eleven thousand, one hundred forty-five".