145453505106 has 128 divisors (see below), whose sum is σ = 368831232000. Its totient is φ = 37215613440.

The previous prime is 145453505033. The next prime is 145453505123. The reversal of 145453505106 is 601505354541.

145453505106 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

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 63 ways as a sum of consecutive naturals, for example, 3988945 + ... + 4025243.

It is an arithmetic number, because the mean of its divisors is an integer number (2881494000).

Almost surely, 2^145453505106 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145453505106, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184415616000).

145453505106 is an abundant number, since it is smaller than the sum of its proper divisors (223377726894).

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

145453505106 is a wasteful number, since it uses less digits than its factorization.

145453505106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36544.

The product of its (nonzero) digits is 180000, while the sum is 39.

Adding to 145453505106 its reverse (601505354541), we get a palindrome (746958859647).

The spelling of 145453505106 in words is "one hundred forty-five billion, four hundred fifty-three million, five hundred five thousand, one hundred six".