145501322 has 8 divisors (see below), whose sum is σ = 218720736. Its totient is φ = 72594412.

The previous prime is 145501319. The next prime is 145501339. The reversal of 145501322 is 223105541.

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 76958 + ... + 78825.

It is an arithmetic number, because the mean of its divisors is an integer number (27340092).

Almost surely, 2^145501322 is an apocalyptic number.

145501322 is a deficient number, since it is larger than the sum of its proper divisors (73219414).

145501322 is a wasteful number, since it uses less digits than its factorization.

145501322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156252.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 145501322 is about 12062.3928803534. The cubic root of 145501322 is about 525.9635481011.

Adding to 145501322 its reverse (223105541), we get a palindrome (368606863).

The spelling of 145501322 in words is "one hundred forty-five million, five hundred one thousand, three hundred twenty-two".