145123913792 has 112 divisors (see below), whose sum is σ = 338739553152. Its totient is φ = 60816814080.

The previous prime is 145123913791. The next prime is 145123913801. The reversal of 145123913792 is 297319321541.

It is not an unprimeable number, because it can be changed into a prime (145123913791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7834013 + ... + 7852515.

It is an arithmetic number, because the mean of its divisors is an integer number (3024460296).

Almost surely, 2^145123913792 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145123913792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169369776576).

145123913792 is an abundant number, since it is smaller than the sum of its proper divisors (193615639360).

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

145123913792 is a wasteful number, since it uses less digits than its factorization.

145123913792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19396 (or 19386 counting only the distinct ones).

The product of its digits is 408240, while the sum is 47.

The spelling of 145123913792 in words is "one hundred forty-five billion, one hundred twenty-three million, nine hundred thirteen thousand, seven hundred ninety-two".