455145516 has 54 divisors (see below), whose sum is σ = 1338349740. Its totient is φ = 130041072.

The previous prime is 455145511. The next prime is 455145557. The reversal of 455145516 is 615541554.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (455145511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 127246 + ... + 130773.

Almost surely, 2^455145516 is an apocalyptic number.

It is an amenable number.

455145516 is an abundant number, since it is smaller than the sum of its proper divisors (883204224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

455145516 is a wasteful number, since it uses less digits than its factorization.

455145516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258043 (or 258031 counting only the distinct ones).

The product of its digits is 60000, while the sum is 36.

The square root of 455145516 is about 21334.1396826776. The cubic root of 455145516 is about 769.2191533251.

The spelling of 455145516 in words is "four hundred fifty-five million, one hundred forty-five thousand, five hundred sixteen".