146942561 has 8 divisors (see below), whose sum is σ = 161401920. Its totient is φ = 133155792.

The previous prime is 146942557. The next prime is 146942563. The reversal of 146942561 is 165249641.

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 146942561 - 2² = 146942557 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146942563) 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, 167690 + ... + 168563.

It is an arithmetic number, because the mean of its divisors is an integer number (20175240).

Almost surely, 2^146942561 is an apocalyptic number.

It is an amenable number.

146942561 is a deficient number, since it is larger than the sum of its proper divisors (14459359).

146942561 is a wasteful number, since it uses less digits than its factorization.

146942561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336295.

The product of its digits is 51840, while the sum is 38.

The square root of 146942561 is about 12121.9866771087. The cubic root of 146942561 is about 527.6944601733.

The spelling of 146942561 in words is "one hundred forty-six million, nine hundred forty-two thousand, five hundred sixty-one".