145890206 has 32 divisors (see below), whose sum is σ = 273404160. Its totient is φ = 56721600.

The previous prime is 145890187. The next prime is 145890211. The reversal of 145890206 is 602098541.

145890206 = T₁₉₀₈ + T₁₉₀₉ + ... + T₁₉₈₄.

145890206 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124001 + ... + 125171.

It is an arithmetic number, because the mean of its divisors is an integer number (8543880).

Almost surely, 2^145890206 is an apocalyptic number.

145890206 is a deficient number, since it is larger than the sum of its proper divisors (127513954).

145890206 is a wasteful number, since it uses less digits than its factorization.

145890206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2000.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 145890206 is about 12078.5018110691. The cubic root of 145890206 is about 526.4317153335.

The spelling of 145890206 in words is "one hundred forty-five million, eight hundred ninety thousand, two hundred six".