146801287 has 2 divisors, whose sum is σ = 146801288. Its totient is φ = 146801286.

The previous prime is 146801251. The next prime is 146801299. The reversal of 146801287 is 782108641.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 146801287 - 2¹⁵ = 146768519 is a prime.

It is equal to p_8274466 and since 146801287 and 8274466 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146801587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73400643 + 73400644.

It is an arithmetic number, because the mean of its divisors is an integer number (73400644).

Almost surely, 2^146801287 is an apocalyptic number.

146801287 is a deficient number, since it is larger than the sum of its proper divisors (1).

146801287 is an equidigital number, since it uses as much as digits as its factorization.

146801287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21504, while the sum is 37.

The square root of 146801287 is about 12116.1580957001. The cubic root of 146801287 is about 527.5252933673.

The spelling of 146801287 in words is "one hundred forty-six million, eight hundred one thousand, two hundred eighty-seven".