145305355 has 24 divisors (see below), whose sum is σ = 191974320. Its totient is φ = 105505920.

The previous prime is 145305343. The next prime is 145305371. The reversal of 145305355 is 553503541.

It is not a de Polignac number, because 145305355 - 2⁵ = 145305323 is a prime.

It is a super-2 number, since 2×145305355² = 42227292383352050, which contains 22 as substring.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 50136 + ... + 52954.

It is an arithmetic number, because the mean of its divisors is an integer number (7998930).

Almost surely, 2^145305355 is an apocalyptic number.

145305355 is a deficient number, since it is larger than the sum of its proper divisors (46668965).

145305355 is a wasteful number, since it uses less digits than its factorization.

145305355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2911 (or 2898 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 31.

The square root of 145305355 is about 12054.2670868037. The cubic root of 145305355 is about 525.7273124311.

Adding to 145305355 its reverse (553503541), we get a palindrome (698808896).

The spelling of 145305355 in words is "one hundred forty-five million, three hundred five thousand, three hundred fifty-five".