153021105 has 12 divisors (see below), whose sum is σ = 265236660. Its totient is φ = 81611232.

The previous prime is 153021091. The next prime is 153021107. The reversal of 153021105 is 501120351.

It can be written as a sum of positive squares in 2 ways, for example, as 17740944 + 135280161 = 4212^2 + 11631^2 .

It is not a de Polignac number, because 153021105 - 2¹² = 153017009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (153021107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1700190 + ... + 1700279.

It is an arithmetic number, because the mean of its divisors is an integer number (22103055).

Almost surely, 2^153021105 is an apocalyptic number.

153021105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

153021105 is a deficient number, since it is larger than the sum of its proper divisors (112215555).

153021105 is a wasteful number, since it uses less digits than its factorization.

153021105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3400480 (or 3400477 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 153021105 is about 12370.1699664960. The cubic root of 153021105 is about 534.8727155197.

Adding to 153021105 its reverse (501120351), we get a palindrome (654141456).

The spelling of 153021105 in words is "one hundred fifty-three million, twenty-one thousand, one hundred five".