145871706 has 16 divisors (see below), whose sum is σ = 292831200. Its totient is φ = 48442608.

The previous prime is 145871699. The next prime is 145871717. The reversal of 145871706 is 607178541.

145871706 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×145871706² = 42557109222700872, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43576 + ... + 46803.

It is an arithmetic number, because the mean of its divisors is an integer number (18301950).

Almost surely, 2^145871706 is an apocalyptic number.

145871706 is an abundant number, since it is smaller than the sum of its proper divisors (146959494).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145871706 is a wasteful number, since it uses less digits than its factorization.

145871706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90653.

The product of its (nonzero) digits is 47040, while the sum is 39.

The square root of 145871706 is about 12077.7359633335. The cubic root of 145871706 is about 526.4094625296.

The spelling of 145871706 in words is "one hundred forty-five million, eight hundred seventy-one thousand, seven hundred six".