1245425458 has 16 divisors (see below), whose sum is σ = 1930884480. Its totient is φ = 602116816.

The previous prime is 1245425449. The next prime is 1245425483. The reversal of 1245425458 is 8545245421.

It is a self number, because there is not a number n which added to its sum of digits gives 1245425458.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 72013 + ... + 87616.

It is an arithmetic number, because the mean of its divisors is an integer number (120680280).

Almost surely, 2^1245425458 is an apocalyptic number.

1245425458 is a deficient number, since it is larger than the sum of its proper divisors (685459022).

1245425458 is a wasteful number, since it uses less digits than its factorization.

1245425458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159761.

The product of its digits is 256000, while the sum is 40.

The square root of 1245425458 is about 35290.5859684987. The cubic root of 1245425458 is about 1075.9016651428.

The spelling of 1245425458 in words is "one billion, two hundred forty-five million, four hundred twenty-five thousand, four hundred fifty-eight".