146349861 has 16 divisors (see below), whose sum is σ = 223501824. Its totient is φ = 83443824.

The previous prime is 146349859. The next prime is 146349871. The reversal of 146349861 is 168943641.

146349861 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 146349861 - 2¹ = 146349859 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146349871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2346 + ... + 17268.

It is an arithmetic number, because the mean of its divisors is an integer number (13968864).

Almost surely, 2^146349861 is an apocalyptic number.

It is an amenable number.

146349861 is a deficient number, since it is larger than the sum of its proper divisors (77151963).

146349861 is a wasteful number, since it uses less digits than its factorization.

146349861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15400.

The product of its digits is 124416, while the sum is 42.

The square root of 146349861 is about 12097.5146621114. The cubic root of 146349861 is about 526.9840103072.

The spelling of 146349861 in words is "one hundred forty-six million, three hundred forty-nine thousand, eight hundred sixty-one".