146991083 has 2 divisors, whose sum is σ = 146991084. Its totient is φ = 146991082.

The previous prime is 146991073. The next prime is 146991127. The reversal of 146991083 is 380199641.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 146991083 - 2⁴ = 146991067 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 146991083.

It is not a weakly prime, because it can be changed into another prime (146991073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73495541 + 73495542.

It is an arithmetic number, because the mean of its divisors is an integer number (73495542).

Almost surely, 2^146991083 is an apocalyptic number.

146991083 is a deficient number, since it is larger than the sum of its proper divisors (1).

146991083 is an equidigital number, since it uses as much as digits as its factorization.

146991083 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 146991083 is about 12123.9879165232. The cubic root of 146991083 is about 527.7525372265.

The spelling of 146991083 in words is "one hundred forty-six million, nine hundred ninety-one thousand, eighty-three".