145005336 has 128 divisors (see below), whose sum is σ = 476352000. Its totient is φ = 39989376.

The previous prime is 145005323. The next prime is 145005337. The reversal of 145005336 is 633500541.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145005337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42195 + ... + 45501.

It is an arithmetic number, because the mean of its divisors is an integer number (3721500).

Almost surely, 2^145005336 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 145005336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238176000).

145005336 is an abundant number, since it is smaller than the sum of its proper divisors (331346664).

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

145005336 is a wasteful number, since it uses less digits than its factorization.

145005336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3358 (or 3348 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 145005336 is about 12041.8161420942. The cubic root of 145005336 is about 525.3652315714.

Adding to 145005336 its reverse (633500541), we get a palindrome (778505877).

The spelling of 145005336 in words is "one hundred forty-five million, five thousand, three hundred thirty-six".