145706194 has 8 divisors (see below), whose sum is σ = 220132080. Its totient is φ = 72328836.

The previous prime is 145706177. The next prime is 145706207. The reversal of 145706194 is 491607541.

145706194 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261784 + ... + 262339.

It is an arithmetic number, because the mean of its divisors is an integer number (27516510).

Almost surely, 2^145706194 is an apocalyptic number.

145706194 is a deficient number, since it is larger than the sum of its proper divisors (74425886).

145706194 is a wasteful number, since it uses less digits than its factorization.

145706194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524264.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 145706194 is about 12070.8820721603. The cubic root of 145706194 is about 526.2102919507.

The spelling of 145706194 in words is "one hundred forty-five million, seven hundred six thousand, one hundred ninety-four".