1245542252032 has 160 divisors (see below), whose sum is σ = 2840497384032. Its totient is φ = 540524150784.

The previous prime is 1245542252027. The next prime is 1245542252051. The reversal of 1245542252032 is 2302522455421.

It is a junction number, because it is equal to n+sod(n) for n = 1245542251982 and 1245542252000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130459483 + ... + 130469029.

Almost surely, 2^{1245542252032} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1245542252032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1420248692016).

1245542252032 is an abundant number, since it is smaller than the sum of its proper divisors (1594955132000).

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

1245542252032 is a wasteful number, since it uses less digits than its factorization.

1245542252032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10748 (or 10732 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 37.

The spelling of 1245542252032 in words is "one trillion, two hundred forty-five billion, five hundred forty-two million, two hundred fifty-two thousand, thirty-two".