146252019 has 8 divisors (see below), whose sum is σ = 195593152. Its totient is φ = 97206120.

The previous prime is 146252011. The next prime is 146252027. The reversal of 146252019 is 910252641.

It is an interprime number because it is at equal distance from previous prime (146252011) and next prime (146252027).

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

It is not a de Polignac number, because 146252019 - 2³ = 146252011 is a prime.

It is a super-2 number, since 2×146252019² = 42779306123152722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146252011) 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, 72649 + ... + 74634.

It is an arithmetic number, because the mean of its divisors is an integer number (24449144).

Almost surely, 2^146252019 is an apocalyptic number.

146252019 is a deficient number, since it is larger than the sum of its proper divisors (49341133).

146252019 is a wasteful number, since it uses less digits than its factorization.

146252019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147617.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 146252019 is about 12093.4700975361. The cubic root of 146252019 is about 526.8665459792.

The spelling of 146252019 in words is "one hundred forty-six million, two hundred fifty-two thousand, nineteen".