1425345402 has 32 divisors (see below), whose sum is σ = 3144859200. Its totient is φ = 427870080.

The previous prime is 1425345349. The next prime is 1425345407. The reversal of 1425345402 is 2045435241.

It is a self number, because there is not a number n which added to its sum of digits gives 1425345402.

It is not an unprimeable number, because it can be changed into a prime (1425345407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219652 + ... + 226047.

It is an arithmetic number, because the mean of its divisors is an integer number (98276850).

Almost surely, 2^1425345402 is an apocalyptic number.

1425345402 is an abundant number, since it is smaller than the sum of its proper divisors (1719513798).

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

1425345402 is a wasteful number, since it uses less digits than its factorization.

1425345402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445758.

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 1425345402 is about 37753.7468604111. The cubic root of 1425345402 is about 1125.3994701869.

The spelling of 1425345402 in words is "one billion, four hundred twenty-five million, three hundred forty-five thousand, four hundred two".