146561294 has 16 divisors (see below), whose sum is σ = 243409536. Its totient is φ = 65623800.

The previous prime is 146561293. The next prime is 146561299. The reversal of 146561294 is 492165641.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146561293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48242 + ... + 51189.

It is an arithmetic number, because the mean of its divisors is an integer number (15213096).

Almost surely, 2^146561294 is an apocalyptic number.

146561294 is a deficient number, since it is larger than the sum of its proper divisors (96848242).

146561294 is a wasteful number, since it uses less digits than its factorization.

146561294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99511.

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

The square root of 146561294 is about 12106.2502039236. The cubic root of 146561294 is about 527.2376677532.

The spelling of 146561294 in words is "one hundred forty-six million, five hundred sixty-one thousand, two hundred ninety-four".