145192201 has 8 divisors (see below), whose sum is σ = 181018944. Its totient is φ = 113136720.

The previous prime is 145192171. The next prime is 145192207. The reversal of 145192201 is 102291541.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145192201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145192207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 942730 + ... + 942883.

It is an arithmetic number, because the mean of its divisors is an integer number (22627368).

Almost surely, 2^145192201 is an apocalyptic number.

145192201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

145192201 is a deficient number, since it is larger than the sum of its proper divisors (35826743).

145192201 is a wasteful number, since it uses less digits than its factorization.

145192201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1885631.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 145192201 is about 12049.5726480237. The cubic root of 145192201 is about 525.5908100134.

The spelling of 145192201 in words is "one hundred forty-five million, one hundred ninety-two thousand, two hundred one".