1425532145 has 4 divisors (see below), whose sum is σ = 1710638580. Its totient is φ = 1140425712.

The previous prime is 1425532139. The next prime is 1425532151. The reversal of 1425532145 is 5412355241.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1425532139) and next prime (1425532151).

It can be written as a sum of positive squares in 2 ways, for example, as 203889841 + 1221642304 = 14279^2 + 34952^2 .

It is a cyclic number.

It is not a de Polignac number, because 1425532145 - 2⁶ = 1425532081 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142553210 + ... + 142553219.

It is an arithmetic number, because the mean of its divisors is an integer number (427659645).

Almost surely, 2^1425532145 is an apocalyptic number.

It is an amenable number.

1425532145 is a deficient number, since it is larger than the sum of its proper divisors (285106435).

1425532145 is an equidigital number, since it uses as much as digits as its factorization.

1425532145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285106434.

The product of its digits is 24000, while the sum is 32.

The square root of 1425532145 is about 37756.2199511551. The cubic root of 1425532145 is about 1125.4486164723.

Adding to 1425532145 its reverse (5412355241), we get a palindrome (6837887386).

The spelling of 1425532145 in words is "one billion, four hundred twenty-five million, five hundred thirty-two thousand, one hundred forty-five".