145541105 has 16 divisors (see below), whose sum is σ = 176418000. Its totient is φ = 115261440.

The previous prime is 145541087. The next prime is 145541161. The reversal of 145541105 is 501145541.

It can be written as a sum of positive squares in 8 ways, for example, as 3073009 + 142468096 = 1753^2 + 11936^2 .

It is not a de Polignac number, because 145541105 - 2¹⁶ = 145475569 is a prime.

It is a super-3 number, since 3×145541105³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 323921 + ... + 324369.

It is an arithmetic number, because the mean of its divisors is an integer number (11026125).

Almost surely, 2^145541105 is an apocalyptic number.

It is an amenable number.

145541105 is a deficient number, since it is larger than the sum of its proper divisors (30876895).

145541105 is a wasteful number, since it uses less digits than its factorization.

145541105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964.

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 145541105 is about 12064.0418185615. The cubic root of 145541105 is about 526.0114800850.

Adding to 145541105 its reverse (501145541), we get a palindrome (646686646).

The spelling of 145541105 in words is "one hundred forty-five million, five hundred forty-one thousand, one hundred five".