1545420123214 has 24 divisors (see below), whose sum is σ = 2548100822400. Its totient is φ = 702443448960.

The previous prime is 1545420123127. The next prime is 1545420123223. The reversal of 1545420123214 is 4123210245451.

It is a self number, because there is not a number n which added to its sum of digits gives 1545420123214.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 11159742 + ... + 11297374.

It is an arithmetic number, because the mean of its divisors is an integer number (106170867600).

Almost surely, 2^{1545420123214} is an apocalyptic number.

1545420123214 is a deficient number, since it is larger than the sum of its proper divisors (1002680699186).

1545420123214 is a wasteful number, since it uses less digits than its factorization.

1545420123214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184056 (or 184045 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

Adding to 1545420123214 its reverse (4123210245451), we get a palindrome (5668630368665).

The spelling of 1545420123214 in words is "one trillion, five hundred forty-five billion, four hundred twenty million, one hundred twenty-three thousand, two hundred fourteen".