135441045 has 32 divisors (see below), whose sum is σ = 244746240. Its totient is φ = 71046720.

The previous prime is 135441041. The next prime is 135441073. The reversal of 135441045 is 540144531.

It is a happy number.

135441045 is a `hidden beast` number, since 13 + 544 + 104 + 5 = 666.

It is not a de Polignac number, because 135441045 - 2² = 135441041 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135441041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12 + ... + 16458.

It is an arithmetic number, because the mean of its divisors is an integer number (7648320).

Almost surely, 2^135441045 is an apocalyptic number.

135441045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

135441045 is a deficient number, since it is larger than the sum of its proper divisors (109305195).

135441045 is a wasteful number, since it uses less digits than its factorization.

135441045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16522 (or 16516 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 135441045 is about 11637.9141172291. The cubic root of 135441045 is about 513.5508258777.

Adding to 135441045 its reverse (540144531), we get a palindrome (675585576).

The spelling of 135441045 in words is "one hundred thirty-five million, four hundred forty-one thousand, forty-five".