1425052645 has 8 divisors (see below), whose sum is σ = 1715231520. Its totient is φ = 1136596560.

The previous prime is 1425052633. The next prime is 1425052667. The reversal of 1425052645 is 5462505241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1425052645 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1425052645.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 428875 + ... + 432184.

It is an arithmetic number, because the mean of its divisors is an integer number (214403940).

Almost surely, 2^1425052645 is an apocalyptic number.

It is an amenable number.

1425052645 is a deficient number, since it is larger than the sum of its proper divisors (290178875).

1425052645 is an equidigital number, since it uses as much as digits as its factorization.

1425052645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861395.

The product of its (nonzero) digits is 48000, while the sum is 34.

The square root of 1425052645 is about 37749.8694699730. The cubic root of 1425052645 is about 1125.3224149151.

Adding to 1425052645 its reverse (5462505241), we get a palindrome (6887557886).

The spelling of 1425052645 in words is "one billion, four hundred twenty-five million, fifty-two thousand, six hundred forty-five".