145332345 has 16 divisors (see below), whose sum is σ = 233138880. Its totient is φ = 77308224.

The previous prime is 145332329. The next prime is 145332347. The reversal of 145332345 is 543233541.

It is not a de Polignac number, because 145332345 - 2⁴ = 145332329 is a prime.

It is a super-2 number, since 2×145332345² = 42242981006398050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145332347) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 6619 + ... + 18288.

It is an arithmetic number, because the mean of its divisors is an integer number (14571180).

Almost surely, 2^145332345 is an apocalyptic number.

145332345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145332345 is a deficient number, since it is larger than the sum of its proper divisors (87806535).

145332345 is a wasteful number, since it uses less digits than its factorization.

145332345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25304.

The product of its digits is 21600, while the sum is 30.

The square root of 145332345 is about 12055.3865553951. The cubic root of 145332345 is about 525.7598611322.

Adding to 145332345 its reverse (543233541), we get a palindrome (688565886).

The spelling of 145332345 in words is "one hundred forty-five million, three hundred thirty-two thousand, three hundred forty-five".