145514939421426 has 64 divisors (see below), whose sum is σ = 296423109480960. Its totient is φ = 47613754056960.

The previous prime is 145514939421413. The next prime is 145514939421443. The reversal of 145514939421426 is 624124939415541.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 145514939421426.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 303269866 + ... + 303749306.

It is an arithmetic number, because the mean of its divisors is an integer number (4631611085640).

Almost surely, 2^{145514939421426} is an apocalyptic number.

145514939421426 is an abundant number, since it is smaller than the sum of its proper divisors (150908170059534).

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

145514939421426 is a wasteful number, since it uses less digits than its factorization.

145514939421426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483431.

The product of its digits is 37324800, while the sum is 60.

The spelling of 145514939421426 in words is "one hundred forty-five trillion, five hundred fourteen billion, nine hundred thirty-nine million, four hundred twenty-one thousand, four hundred twenty-six".