70112145 has 32 divisors (see below), whose sum is σ = 116481024. Its totient is φ = 35985600.

The previous prime is 70112137. The next prime is 70112149. The reversal of 70112145 is 54121107.

It is a happy number.

It is not a de Polignac number, because 70112145 - 2³ = 70112137 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (70112149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45030 + ... + 46560.

It is an arithmetic number, because the mean of its divisors is an integer number (3640032).

Almost surely, 2^70112145 is an apocalyptic number.

It is an amenable number.

70112145 is a deficient number, since it is larger than the sum of its proper divisors (46368879).

70112145 is a wasteful number, since it uses less digits than its factorization.

70112145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1653.

The product of its (nonzero) digits is 280, while the sum is 21.

The square root of 70112145 is about 8373.2995288596. The cubic root of 70112145 is about 412.3484990015.

The spelling of 70112145 in words is "seventy million, one hundred twelve thousand, one hundred forty-five".