455145511 has 2 divisors, whose sum is σ = 455145512. Its totient is φ = 455145510.

The previous prime is 455145487. The next prime is 455145557. The reversal of 455145511 is 115541554.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 455145511 - 2¹¹ = 455143463 is a prime.

It is a super-2 number, since 2×455145511² = 414314872366902242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (455145011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227572755 + 227572756.

It is an arithmetic number, because the mean of its divisors is an integer number (227572756).

Almost surely, 2^455145511 is an apocalyptic number.

455145511 is a deficient number, since it is larger than the sum of its proper divisors (1).

455145511 is an equidigital number, since it uses as much as digits as its factorization.

455145511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10000, while the sum is 31.

The square root of 455145511 is about 21334.1395654946. The cubic root of 455145511 is about 769.2191505084.

It can be divided in two parts, 4551455 and 11, that multiplied together give a palindrome (50066005).

The spelling of 455145511 in words is "four hundred fifty-five million, one hundred forty-five thousand, five hundred eleven".