146500861 has 6 divisors (see below), whose sum is σ = 158637210. Its totient is φ = 135231408.

The previous prime is 146500859. The next prime is 146500867. The reversal of 146500861 is 168005641.

It can be written as a sum of positive squares in 3 ways, for example, as 6812100 + 139688761 = 2610^2 + 11819^2 .

It is not a de Polignac number, because 146500861 - 2¹ = 146500859 is a prime.

It is a super-3 number, since 3×146500861³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146500867) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 433266 + ... + 433603.

It is an arithmetic number, because the mean of its divisors is an integer number (26439535).

Almost surely, 2^146500861 is an apocalyptic number.

It is an amenable number.

146500861 is a deficient number, since it is larger than the sum of its proper divisors (12136349).

146500861 is an equidigital number, since it uses as much as digits as its factorization.

146500861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 866895 (or 866882 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 146500861 is about 12103.7540044401. The cubic root of 146500861 is about 527.1651908313.

The spelling of 146500861 in words is "one hundred forty-six million, five hundred thousand, eight hundred sixty-one".