45072135 has 24 divisors (see below), whose sum is σ = 78281424. Its totient is φ = 23990400.

The previous prime is 45072121. The next prime is 45072143. The reversal of 45072135 is 53127054.

It is a happy number.

It is not a de Polignac number, because 45072135 - 2⁵ = 45072103 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45072099 and 45072108.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42360 + ... + 43410.

It is an arithmetic number, because the mean of its divisors is an integer number (3261726).

Almost surely, 2^45072135 is an apocalyptic number.

45072135 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

45072135 is a deficient number, since it is larger than the sum of its proper divisors (33209289).

45072135 is a wasteful number, since it uses less digits than its factorization.

45072135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2015 (or 2012 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 45072135 is about 6713.5784049939. The cubic root of 45072135 is about 355.8792856513.

Adding to 45072135 its reverse (53127054), we get a palindrome (98199189).

The spelling of 45072135 in words is "forty-five million, seventy-two thousand, one hundred thirty-five".