145445341 has 4 divisors (see below), whose sum is σ = 145986300. Its totient is φ = 144904384.

The previous prime is 145445329. The next prime is 145445347. The reversal of 145445341 is 143544541.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16168441 + 129276900 = 4021^2 + 11370^2 .

It is a cyclic number.

It is not a de Polignac number, because 145445341 - 2⁵ = 145445309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145445347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 270076 + ... + 270613.

It is an arithmetic number, because the mean of its divisors is an integer number (36496575).

Almost surely, 2^145445341 is an apocalyptic number.

It is an amenable number.

145445341 is a deficient number, since it is larger than the sum of its proper divisors (540959).

145445341 is an equidigital number, since it uses as much as digits as its factorization.

145445341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540958.

The product of its digits is 19200, while the sum is 31.

The square root of 145445341 is about 12060.0721805468. The cubic root of 145445341 is about 525.8960853869.

Adding to 145445341 its product of digits (19200), we get a palindrome (145464541).

Adding to 145445341 its reverse (143544541), we get a palindrome (288989882).

The spelling of 145445341 in words is "one hundred forty-five million, four hundred forty-five thousand, three hundred forty-one".