146992819 has 2 divisors, whose sum is σ = 146992820. Its totient is φ = 146992818.

The previous prime is 146992723. The next prime is 146992847. The reversal of 146992819 is 918299641.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 146992819 - 2¹⁷ = 146861747 is a prime.

It is a super-2 number, since 2×146992819² = 43213777675133522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (146992849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73496409 + 73496410.

It is an arithmetic number, because the mean of its divisors is an integer number (73496410).

Almost surely, 2^146992819 is an apocalyptic number.

146992819 is a deficient number, since it is larger than the sum of its proper divisors (1).

146992819 is an equidigital number, since it uses as much as digits as its factorization.

146992819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 279936, while the sum is 49.

The square root of 146992819 is about 12124.0595099166. The cubic root of 146992819 is about 527.7546148464.

The spelling of 146992819 in words is "one hundred forty-six million, nine hundred ninety-two thousand, eight hundred nineteen".