146812069 has 8 divisors (see below), whose sum is σ = 154846080. Its totient is φ = 138808800.

The previous prime is 146812049. The next prime is 146812079. The reversal of 146812069 is 960218641.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 146812069 - 2⁵ = 146812037 is a prime.

It is a super-2 number, since 2×146812069² = 43107567208121522, 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 (146812009) 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, 2484 + ... + 17314.

It is an arithmetic number, because the mean of its divisors is an integer number (19355760).

Almost surely, 2^146812069 is an apocalyptic number.

146812069 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

146812069 is a deficient number, since it is larger than the sum of its proper divisors (8034011).

146812069 is a wasteful number, since it uses less digits than its factorization.

146812069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15371.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 146812069 is about 12116.6030305527. The cubic root of 146812069 is about 527.5382079645.

The spelling of 146812069 in words is "one hundred forty-six million, eight hundred twelve thousand, sixty-nine".