1425142608 has 40 divisors (see below), whose sum is σ = 3717375168. Its totient is φ = 470433792.

The previous prime is 1425142603. The next prime is 1425142661. The reversal of 1425142608 is 8062415241.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425142603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139185 + ... + 149072.

Almost surely, 2^1425142608 is an apocalyptic number.

It is an amenable number.

1425142608 is an abundant number, since it is smaller than the sum of its proper divisors (2292232560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1425142608 is a wasteful number, since it uses less digits than its factorization.

1425142608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288371 (or 288365 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 1425142608 is about 37751.0610182019. The cubic root of 1425142608 is about 1125.3460948005.

Adding to 1425142608 its reverse (8062415241), we get a palindrome (9487557849).

The spelling of 1425142608 in words is "one billion, four hundred twenty-five million, one hundred forty-two thousand, six hundred eight".