1425145544 has 16 divisors (see below), whose sum is σ = 2672548620. Its totient is φ = 712465920.

The previous prime is 1425145529. The next prime is 1425145661. The reversal of 1425145544 is 4455415241.

It can be written as a sum of positive squares in 2 ways, for example, as 1423552900 + 1592644 = 37730^2 + 1262^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95792 + ... + 109664.

Almost surely, 2^1425145544 is an apocalyptic number.

It is an amenable number.

1425145544 is a deficient number, since it is larger than the sum of its proper divisors (1247403076).

1425145544 is a wasteful number, since it uses less digits than its factorization.

1425145544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26720 (or 26716 counting only the distinct ones).

The product of its digits is 64000, while the sum is 35.

The square root of 1425145544 is about 37751.0999045061. The cubic root of 1425145544 is about 1125.3468675919.

It can be divided in two parts, 14251 and 45544, that added together give a palindrome (59795).

The spelling of 1425145544 in words is "one billion, four hundred twenty-five million, one hundred forty-five thousand, five hundred forty-four".