1422152145 has 12 divisors (see below), whose sum is σ = 2465063796. Its totient is φ = 758481120.

The previous prime is 1422152131. The next prime is 1422152161. The reversal of 1422152145 is 5412512241.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 240374016 + 1181778129 = 15504^2 + 34377^2 .

It is not a de Polignac number, because 1422152145 - 2⁸ = 1422151889 is a prime.

It is a Curzon number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 15801646 + ... + 15801735.

It is an arithmetic number, because the mean of its divisors is an integer number (205421983).

Almost surely, 2^1422152145 is an apocalyptic number.

1422152145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1422152145 is a deficient number, since it is larger than the sum of its proper divisors (1042911651).

1422152145 is a wasteful number, since it uses less digits than its factorization.

1422152145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31603392 (or 31603389 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 1422152145 is about 37711.4325503553. The cubic root of 1422152145 is about 1124.5584163224.

Adding to 1422152145 its reverse (5412512241), we get a palindrome (6834664386).

It can be divided in two parts, 14221 and 52145, that added together give a palindrome (66366).

The spelling of 1422152145 in words is "one billion, four hundred twenty-two million, one hundred fifty-two thousand, one hundred forty-five".