146661541 has 8 divisors (see below), whose sum is σ = 159081440. Its totient is φ = 134404272.

The previous prime is 146661539. The next prime is 146661553. The reversal of 146661541 is 145166641.

146661541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 146661541 - 2¹ = 146661539 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 146661497 and 146661506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146661521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38775 + ... + 42388.

It is an arithmetic number, because the mean of its divisors is an integer number (19885180).

Almost surely, 2^146661541 is an apocalyptic number.

It is an amenable number.

146661541 is a deficient number, since it is larger than the sum of its proper divisors (12419899).

146661541 is a wasteful number, since it uses less digits than its factorization.

146661541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81315.

The product of its digits is 17280, while the sum is 34.

The square root of 146661541 is about 12110.3897955433. The cubic root of 146661541 is about 527.3578494351.

The spelling of 146661541 in words is "one hundred forty-six million, six hundred sixty-one thousand, five hundred forty-one".