145012516044 has 96 divisors (see below), whose sum is σ = 371723337216. Its totient is φ = 43634695680.

The previous prime is 145012516027. The next prime is 145012516093. The reversal of 145012516044 is 440615210541.

It is a super-2 number, since 2×145012516044² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 145012515996 and 145012516014.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10998384 + ... + 11011560.

It is an arithmetic number, because the mean of its divisors is an integer number (3872118096).

Almost surely, 2^145012516044 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 145012516044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185861668608).

145012516044 is an abundant number, since it is smaller than the sum of its proper divisors (226710821172).

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

145012516044 is a wasteful number, since it uses less digits than its factorization.

145012516044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13775 (or 13773 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

Adding to 145012516044 its reverse (440615210541), we get a palindrome (585627726585).

The spelling of 145012516044 in words is "one hundred forty-five billion, twelve million, five hundred sixteen thousand, forty-four".