145745174 has 8 divisors (see below), whose sum is σ = 219321648. Its totient is φ = 72637960.

The previous prime is 145745153. The next prime is 145745203. The reversal of 145745174 is 471547541.

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

It is a Curzon number.

It is a congruent number.

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, 116537 + ... + 117780.

It is an arithmetic number, because the mean of its divisors is an integer number (27415206).

Almost surely, 2^145745174 is an apocalyptic number.

145745174 is a deficient number, since it is larger than the sum of its proper divisors (73576474).

145745174 is a wasteful number, since it uses less digits than its factorization.

145745174 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234630.

The product of its digits is 78400, while the sum is 38.

The square root of 145745174 is about 12072.4965934971. The cubic root of 145745174 is about 526.2572125100.

The spelling of 145745174 in words is "one hundred forty-five million, seven hundred forty-five thousand, one hundred seventy-four".