146287399 has 2 divisors, whose sum is σ = 146287400. Its totient is φ = 146287398.

The previous prime is 146287391. The next prime is 146287409. The reversal of 146287399 is 993782641.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 146287399 - 2³ = 146287391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146287391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73143699 + 73143700.

It is an arithmetic number, because the mean of its divisors is an integer number (73143700).

Almost surely, 2^146287399 is an apocalyptic number.

146287399 is a deficient number, since it is larger than the sum of its proper divisors (1).

146287399 is an equidigital number, since it uses as much as digits as its factorization.

146287399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 653184, while the sum is 49.

The square root of 146287399 is about 12094.9327819546. The cubic root of 146287399 is about 526.9090275249.

The spelling of 146287399 in words is "one hundred forty-six million, two hundred eighty-seven thousand, three hundred ninety-nine".