145879631623 has 16 divisors (see below), whose sum is σ = 159991977600. Its totient is φ = 131910143200.

The previous prime is 145879631621. The next prime is 145879631633. The reversal of 145879631623 is 326136978541.

It is a happy number.

145879631623 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145879631623 - 2¹ = 145879631621 is a prime.

It is a super-3 number, since 3×145879631623³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145879631621) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2697453 + ... + 2751001.

It is an arithmetic number, because the mean of its divisors is an integer number (9999498600).

Almost surely, 2^145879631623 is an apocalyptic number.

145879631623 is a deficient number, since it is larger than the sum of its proper divisors (14112345977).

145879631623 is a wasteful number, since it uses less digits than its factorization.

145879631623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54878.

The product of its digits is 6531840, while the sum is 55.

The spelling of 145879631623 in words is "one hundred forty-five billion, eight hundred seventy-nine million, six hundred thirty-one thousand, six hundred twenty-three".