146001439 has 2 divisors, whose sum is σ = 146001440. Its totient is φ = 146001438.

The previous prime is 146001433. The next prime is 146001461. The reversal of 146001439 is 934100641.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 146001439 - 2³ = 146001431 is a prime.

It is a super-3 number, since 3×146001439³ (a number of 25 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146001431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73000719 + 73000720.

It is an arithmetic number, because the mean of its divisors is an integer number (73000720).

Almost surely, 2^146001439 is an apocalyptic number.

146001439 is a deficient number, since it is larger than the sum of its proper divisors (1).

146001439 is an equidigital number, since it uses as much as digits as its factorization.

146001439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 146001439 is about 12083.1055196915. The cubic root of 146001439 is about 526.5654727777.

The spelling of 146001439 in words is "one hundred forty-six million, one thousand, four hundred thirty-nine".