1422165145 has 16 divisors (see below), whose sum is σ = 1786475520. Its totient is φ = 1085515200.

The previous prime is 1422165137. The next prime is 1422165149. The reversal of 1422165145 is 5415612241.

It is a happy number.

It is not a de Polignac number, because 1422165145 - 2³ = 1422165137 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (1422165149) 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, 53610 + ... + 75619.

It is an arithmetic number, because the mean of its divisors is an integer number (111654720).

Almost surely, 2^1422165145 is an apocalyptic number.

It is an amenable number.

1422165145 is a deficient number, since it is larger than the sum of its proper divisors (364310375).

1422165145 is a wasteful number, since it uses less digits than its factorization.

1422165145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129336.

The product of its digits is 9600, while the sum is 31.

The square root of 1422165145 is about 37711.6049114858. The cubic root of 1422165145 is about 1124.5618428697.

Adding to 1422165145 its reverse (5415612241), we get a palindrome (6837777386).

The spelling of 1422165145 in words is "one billion, four hundred twenty-two million, one hundred sixty-five thousand, one hundred forty-five".