146212969 has 4 divisors (see below), whose sum is σ = 167100544. Its totient is φ = 125325396.

The previous prime is 146212951. The next prime is 146212973. The reversal of 146212969 is 969212641.

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.

It is not a de Polignac number, because 146212969 - 2²⁵ = 112658537 is a prime.

It is a super-2 number, since 2×146212969² = 42756464607589922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146212939) 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, 10443777 + ... + 10443790.

It is an arithmetic number, because the mean of its divisors is an integer number (41775136).

Almost surely, 2^146212969 is an apocalyptic number.

It is an amenable number.

146212969 is a deficient number, since it is larger than the sum of its proper divisors (20887575).

146212969 is an equidigital number, since it uses as much as digits as its factorization.

146212969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20887574.

The product of its digits is 46656, while the sum is 40.

The square root of 146212969 is about 12091.8554821003. The cubic root of 146212969 is about 526.8196498289.

The spelling of 146212969 in words is "one hundred forty-six million, two hundred twelve thousand, nine hundred sixty-nine".