145440113 has 16 divisors (see below), whose sum is σ = 179518080. Its totient is φ = 114742656.

The previous prime is 145440107. The next prime is 145440143. The reversal of 145440113 is 311044541.

It is not a de Polignac number, because 145440113 - 2¹⁶ = 145374577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145440143) 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, 32381 + ... + 36597.

It is an arithmetic number, because the mean of its divisors is an integer number (11219880).

Almost surely, 2^145440113 is an apocalyptic number.

145440113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

145440113 is a deficient number, since it is larger than the sum of its proper divisors (34077967).

145440113 is a wasteful number, since it uses less digits than its factorization.

145440113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4616.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 145440113 is about 12059.8554303109. The cubic root of 145440113 is about 525.8897842393.

Adding to 145440113 its reverse (311044541), we get a palindrome (456484654).

The spelling of 145440113 in words is "one hundred forty-five million, four hundred forty thousand, one hundred thirteen".