70202145 has 32 divisors (see below), whose sum is σ = 121371264. Its totient is φ = 34444800.

The previous prime is 70202123. The next prime is 70202177. The reversal of 70202145 is 54120207.

It is not a de Polignac number, because 70202145 - 2⁶ = 70202081 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101250 + ... + 101940.

It is an arithmetic number, because the mean of its divisors is an integer number (3792852).

Almost surely, 2^70202145 is an apocalyptic number.

It is an amenable number.

70202145 is a deficient number, since it is larger than the sum of its proper divisors (51169119).

70202145 is a wasteful number, since it uses less digits than its factorization.

70202145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 70202145 is about 8378.6720308173. The cubic root of 70202145 is about 412.5248616788.

The spelling of 70202145 in words is "seventy million, two hundred two thousand, one hundred forty-five".