1282884145 has 16 divisors (see below), whose sum is σ = 1578677760. Its totient is φ = 1000266624.

The previous prime is 1282884131. The next prime is 1282884149. The reversal of 1282884145 is 5414882821.

It is a cyclic number.

It is not a de Polignac number, because 1282884145 - 2¹⁵ = 1282851377 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is not an unprimeable number, because it can be changed into a prime (1282884149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96757 + ... + 109213.

It is an arithmetic number, because the mean of its divisors is an integer number (98667360).

Almost surely, 2^1282884145 is an apocalyptic number.

It is an amenable number.

1282884145 is a deficient number, since it is larger than the sum of its proper divisors (295793615).

1282884145 is a wasteful number, since it uses less digits than its factorization.

1282884145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12984.

The product of its digits is 163840, while the sum is 43.

The square root of 1282884145 is about 35817.3721118677. The cubic root of 1282884145 is about 1086.5819321916.

The spelling of 1282884145 in words is "one billion, two hundred eighty-two million, eight hundred eighty-four thousand, one hundred forty-five".