145522345 has 8 divisors (see below), whose sum is σ = 176837760. Its totient is φ = 114943920.

The previous prime is 145522291. The next prime is 145522367. The reversal of 145522345 is 543225541.

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

It is not a de Polignac number, because 145522345 - 2⁷ = 145522217 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183811 + ... + 184600.

It is an arithmetic number, because the mean of its divisors is an integer number (22104720).

Almost surely, 2^145522345 is an apocalyptic number.

It is an amenable number.

145522345 is a deficient number, since it is larger than the sum of its proper divisors (31315415).

145522345 is an equidigital number, since it uses as much as digits as its factorization.

145522345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368495.

The product of its digits is 24000, while the sum is 31.

The square root of 145522345 is about 12063.2642763060. The cubic root of 145522345 is about 525.9888784533.

Adding to 145522345 its reverse (543225541), we get a palindrome (688747886).

The spelling of 145522345 in words is "one hundred forty-five million, five hundred twenty-two thousand, three hundred forty-five".