145190801 has 8 divisors (see below), whose sum is σ = 166072320. Its totient is φ = 124344288.

The previous prime is 145190777. The next prime is 145190803. The reversal of 145190801 is 108091541.

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

It is a cyclic number.

It is not a de Polignac number, because 145190801 - 2¹⁸ = 144928657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145190803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 845 + ... + 17061.

It is an arithmetic number, because the mean of its divisors is an integer number (20759040).

Almost surely, 2^145190801 is an apocalyptic number.

It is an amenable number.

145190801 is a deficient number, since it is larger than the sum of its proper divisors (20881519).

145190801 is a wasteful number, since it uses less digits than its factorization.

145190801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17503.

The product of its (nonzero) digits is 1440, while the sum is 29.

The square root of 145190801 is about 12049.5145545370. The cubic root of 145190801 is about 525.5891206906.

The spelling of 145190801 in words is "one hundred forty-five million, one hundred ninety thousand, eight hundred one".