146102249 has 2 divisors, whose sum is σ = 146102250. Its totient is φ = 146102248.

The previous prime is 146102237. The next prime is 146102251. The reversal of 146102249 is 942201641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 137358400 + 8743849 = 11720^2 + 2957^2 .

It is a cyclic number.

It is not a de Polignac number, because 146102249 - 2⁸ = 146101993 is a prime.

Together with 146102251, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (146102269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73051124 + 73051125.

It is an arithmetic number, because the mean of its divisors is an integer number (73051125).

Almost surely, 2^146102249 is an apocalyptic number.

It is an amenable number.

146102249 is a deficient number, since it is larger than the sum of its proper divisors (1).

146102249 is an equidigital number, since it uses as much as digits as its factorization.

146102249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 146102249 is about 12087.2763267826. The cubic root of 146102249 is about 526.6866379135.

The spelling of 146102249 in words is "one hundred forty-six million, one hundred two thousand, two hundred forty-nine".