69935145 has 32 divisors (see below), whose sum is σ = 129515520. Its totient is φ = 31561920.

The previous prime is 69935137. The next prime is 69935147. The reversal of 69935145 is 54153996.

It is not a de Polignac number, because 69935145 - 2³ = 69935137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 69935097 and 69935106.

It is not an unprimeable number, because it can be changed into a prime (69935147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4080 + ... + 12510.

It is an arithmetic number, because the mean of its divisors is an integer number (4047360).

Almost surely, 2^69935145 is an apocalyptic number.

It is an amenable number.

69935145 is a deficient number, since it is larger than the sum of its proper divisors (59580375).

69935145 is a wasteful number, since it uses less digits than its factorization.

69935145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8525.

The product of its digits is 145800, while the sum is 42.

The square root of 69935145 is about 8362.7235396132. The cubic root of 69935145 is about 412.0012116249.

The spelling of 69935145 in words is "sixty-nine million, nine hundred thirty-five thousand, one hundred forty-five".