145106305 has 16 divisors (see below), whose sum is σ = 185099904. Its totient is φ = 108824320.

The previous prime is 145106303. The next prime is 145106309. The reversal of 145106305 is 503601541.

It is not a de Polignac number, because 145106305 - 2¹ = 145106303 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 145106305.

It is not an unprimeable number, because it can be changed into a prime (145106303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19110 + ... + 25600.

It is an arithmetic number, because the mean of its divisors is an integer number (11568744).

Almost surely, 2^145106305 is an apocalyptic number.

It is an amenable number.

145106305 is a deficient number, since it is larger than the sum of its proper divisors (39993599).

145106305 is a wasteful number, since it uses less digits than its factorization.

145106305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6776.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 145106305 is about 12046.0078449252. The cubic root of 145106305 is about 525.4871427051.

Adding to 145106305 its reverse (503601541), we get a palindrome (648707846).

The spelling of 145106305 in words is "one hundred forty-five million, one hundred six thousand, three hundred five".