1425983445 has 24 divisors (see below), whose sum is σ = 2508601056. Its totient is φ = 749171808.

The previous prime is 1425983437. The next prime is 1425983521. The reversal of 1425983445 is 5443895241.

1425983445 is a `hidden beast` number, since 14 + 2 + 598 + 3 + 4 + 45 = 666.

It is not a de Polignac number, because 1425983445 - 2³ = 1425983437 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1425983445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 233467 + ... + 239496.

It is an arithmetic number, because the mean of its divisors is an integer number (104525044).

Almost surely, 2^1425983445 is an apocalyptic number.

1425983445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1425983445 is a deficient number, since it is larger than the sum of its proper divisors (1082617611).

1425983445 is a wasteful number, since it uses less digits than its factorization.

1425983445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473041 (or 473038 counting only the distinct ones).

The product of its digits is 691200, while the sum is 45.

The square root of 1425983445 is about 37762.1959769291. The cubic root of 1425983445 is about 1125.5673701070.

The spelling of 1425983445 in words is "one billion, four hundred twenty-five million, nine hundred eighty-three thousand, four hundred forty-five".