146229099 has 4 divisors (see below), whose sum is σ = 194972136. Its totient is φ = 97486064.

The previous prime is 146229091. The next prime is 146229133. The reversal of 146229099 is 990922641.

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 146229099 - 2³ = 146229091 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 146229099.

It is not an unprimeable number, because it can be changed into a prime (146229091) 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, 24371514 + ... + 24371519.

It is an arithmetic number, because the mean of its divisors is an integer number (48743034).

Almost surely, 2^146229099 is an apocalyptic number.

146229099 is a deficient number, since it is larger than the sum of its proper divisors (48743037).

146229099 is an equidigital number, since it uses as much as digits as its factorization.

146229099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48743036.

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 146229099 is about 12092.5224415752. The cubic root of 146229099 is about 526.8390217732.

The spelling of 146229099 in words is "one hundred forty-six million, two hundred twenty-nine thousand, ninety-nine".