146442619 has 4 divisors (see below), whose sum is σ = 147864496. Its totient is φ = 145020744.

The previous prime is 146442617. The next prime is 146442629. The reversal of 146442619 is 916244641.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 146442619 - 2¹ = 146442617 is a prime.

It is a super-2 number, since 2×146442619² = 42890881319158322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146442617) 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, 710784 + ... + 710989.

It is an arithmetic number, because the mean of its divisors is an integer number (36966124).

Almost surely, 2^146442619 is an apocalyptic number.

146442619 is a deficient number, since it is larger than the sum of its proper divisors (1421877).

146442619 is a wasteful number, since it uses less digits than its factorization.

146442619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1421876.

The product of its digits is 41472, while the sum is 37.

The square root of 146442619 is about 12101.3478174954. The cubic root of 146442619 is about 527.0953226989.

The spelling of 146442619 in words is "one hundred forty-six million, four hundred forty-two thousand, six hundred nineteen".