146942019 has 20 divisors (see below), whose sum is σ = 250864944. Its totient is φ = 83966544.

The previous prime is 146942011. The next prime is 146942041. The reversal of 146942019 is 910249641.

It is a happy number.

It is not a de Polignac number, because 146942019 - 2³ = 146942011 is a prime.

It is a super-2 number, since 2×146942019² = 43183913895592722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (146942011) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 129012 + ... + 130145.

Almost surely, 2^146942019 is an apocalyptic number.

146942019 is a deficient number, since it is larger than the sum of its proper divisors (103922925).

146942019 is an equidigital number, since it uses as much as digits as its factorization.

146942019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259176 (or 259167 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 146942019 is about 12121.9643210166. The cubic root of 146942019 is about 527.6938113693.

The spelling of 146942019 in words is "one hundred forty-six million, nine hundred forty-two thousand, nineteen".