146812919 has 8 divisors (see below), whose sum is σ = 160298112. Its totient is φ = 133350840.

The previous prime is 146812907. The next prime is 146812949. The reversal of 146812919 is 919218641.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146812919 is a prime.

It is a super-2 number, since 2×146812919² = 43108066370601122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146812949) 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, 9212 + ... + 19454.

It is an arithmetic number, because the mean of its divisors is an integer number (20037264).

Almost surely, 2^146812919 is an apocalyptic number.

146812919 is a deficient number, since it is larger than the sum of its proper divisors (13485193).

146812919 is a wasteful number, since it uses less digits than its factorization.

146812919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11557.

The product of its digits is 31104, while the sum is 41.

The square root of 146812919 is about 12116.6381063396. The cubic root of 146812919 is about 527.5392260611.

The spelling of 146812919 in words is "one hundred forty-six million, eight hundred twelve thousand, nine hundred nineteen".