145880378319 has 8 divisors (see below), whose sum is σ = 209469261232. Its totient is φ = 89772540480.

The previous prime is 145880378311. The next prime is 145880378323. The reversal of 145880378319 is 913873088541.

It is a happy number.

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

It is not a de Polignac number, because 145880378319 - 2³ = 145880378311 is a prime.

It is a super-2 number, since 2×145880378319² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145880378311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1870261222 + ... + 1870261299.

It is an arithmetic number, because the mean of its divisors is an integer number (26183657654).

Almost surely, 2^145880378319 is an apocalyptic number.

145880378319 is a deficient number, since it is larger than the sum of its proper divisors (63588882913).

145880378319 is a wasteful number, since it uses less digits than its factorization.

145880378319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3740522537.

The product of its (nonzero) digits is 5806080, while the sum is 57.

The spelling of 145880378319 in words is "one hundred forty-five billion, eight hundred eighty million, three hundred seventy-eight thousand, three hundred nineteen".