1245245562 has 80 divisors (see below), whose sum is σ = 3056657472. Its totient is φ = 375770880.

The previous prime is 1245245549. The next prime is 1245245567. The reversal of 1245245562 is 2655425421.

1245245562 is a `hidden beast` number, since 1 + 2 + 4 + 52 + 45 + 562 = 666.

It is not an unprimeable number, because it can be changed into a prime (1245245567) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 467338 + ... + 469994.

Almost surely, 2^1245245562 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1245245562, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1528328736).

1245245562 is an abundant number, since it is smaller than the sum of its proper divisors (1811411910).

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

1245245562 is a wasteful number, since it uses less digits than its factorization.

1245245562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2945 (or 2936 counting only the distinct ones).

The product of its digits is 96000, while the sum is 36.

The square root of 1245245562 is about 35288.0370947436. The cubic root of 1245245562 is about 1075.8498596267.

The spelling of 1245245562 in words is "one billion, two hundred forty-five million, two hundred forty-five thousand, five hundred sixty-two".