2145445514055 has 48 divisors (see below), whose sum is σ = 3989487509280. Its totient is φ = 1104781120128.

The previous prime is 2145445513999. The next prime is 2145445514057. The reversal of 2145445514055 is 5504155445412.

2145445514055 is a `hidden beast` number, since 2 + 1 + 4 + 5 + 4 + 4 + 551 + 40 + 55 = 666.

It is not a de Polignac number, because 2145445514055 - 2¹² = 2145445509959 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 2145445514055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145445514057) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30409572 + ... + 30480041.

It is an arithmetic number, because the mean of its divisors is an integer number (83114323110).

Almost surely, 2^{2145445514055} is an apocalyptic number.

2145445514055 is a deficient number, since it is larger than the sum of its proper divisors (1844041995225).

2145445514055 is an equidigital number, since it uses as much as digits as its factorization.

2145445514055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60889662 (or 60889650 counting only the distinct ones).

The product of its (nonzero) digits is 1600000, while the sum is 45.

The spelling of 2145445514055 in words is "two trillion, one hundred forty-five billion, four hundred forty-five million, five hundred fourteen thousand, fifty-five".