145066197 has 8 divisors (see below), whose sum is σ = 203601760. Its totient is φ = 91620720.

The previous prime is 145066177. The next prime is 145066223. The reversal of 145066197 is 791660541.

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

It is not a de Polignac number, because 145066197 - 2¹¹ = 145064149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145066147) 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, 1272454 + ... + 1272567.

It is an arithmetic number, because the mean of its divisors is an integer number (25450220).

Almost surely, 2^145066197 is an apocalyptic number.

It is an amenable number.

145066197 is a deficient number, since it is larger than the sum of its proper divisors (58535563).

145066197 is a wasteful number, since it uses less digits than its factorization.

145066197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2545043.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 145066197 is about 12044.3429459643. The cubic root of 145066197 is about 525.4387226164.

The spelling of 145066197 in words is "one hundred forty-five million, sixty-six thousand, one hundred ninety-seven".