1545150643442 has 32 divisors (see below), whose sum is σ = 2710732328832. Its totient is φ = 646735186944.

The previous prime is 1545150643403. The next prime is 1545150643447. The reversal of 1545150643442 is 2443460515451.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1545150643393 and 1545150643402.

It is not an unprimeable number, because it can be changed into a prime (1545150643447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5446418 + ... + 5723090.

It is an arithmetic number, because the mean of its divisors is an integer number (84710385276).

Almost surely, 2^{1545150643442} is an apocalyptic number.

1545150643442 is a deficient number, since it is larger than the sum of its proper divisors (1165581685390).

1545150643442 is a wasteful number, since it uses less digits than its factorization.

1545150643442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286002.

The product of its (nonzero) digits is 1152000, while the sum is 44.

The spelling of 1545150643442 in words is "one trillion, five hundred forty-five billion, one hundred fifty million, six hundred forty-three thousand, four hundred forty-two".