1245045357442 has 8 divisors (see below), whose sum is σ = 1867872665232. Its totient is φ = 622421135700.

The previous prime is 1245045357427. The next prime is 1245045357449. The reversal of 1245045357442 is 2447535405421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1245045357392 and 1245045357401.

It is not an unprimeable number, because it can be changed into a prime (1245045357449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50756184 + ... + 50780707.

It is an arithmetic number, because the mean of its divisors is an integer number (233484083154).

Almost surely, 2^{1245045357442} is an apocalyptic number.

1245045357442 is a deficient number, since it is larger than the sum of its proper divisors (622827307790).

1245045357442 is a wasteful number, since it uses less digits than its factorization.

1245045357442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101543024.

The product of its (nonzero) digits is 2688000, while the sum is 46.

The spelling of 1245045357442 in words is "one trillion, two hundred forty-five billion, forty-five million, three hundred fifty-seven thousand, four hundred forty-two".