146966397 has 4 divisors (see below), whose sum is σ = 195955200. Its totient is φ = 97977596.

The previous prime is 146966371. The next prime is 146966399. The reversal of 146966397 is 793669641.

146966397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 793669641 = 3 ⋅264556547.

It is a cyclic number.

It is not a de Polignac number, because 146966397 - 2¹⁰ = 146965373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146966399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24494397 + ... + 24494402.

It is an arithmetic number, because the mean of its divisors is an integer number (48988800).

Almost surely, 2^146966397 is an apocalyptic number.

It is an amenable number.

146966397 is a deficient number, since it is larger than the sum of its proper divisors (48988803).

146966397 is an equidigital number, since it uses as much as digits as its factorization.

146966397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48988802.

The product of its digits is 1469664, while the sum is 51.

The square root of 146966397 is about 12122.9698094155. The cubic root of 146966397 is about 527.7229916054.

The spelling of 146966397 in words is "one hundred forty-six million, nine hundred sixty-six thousand, three hundred ninety-seven".