145961766 has 24 divisors (see below), whose sum is σ = 319385664. Its totient is φ = 48171600.

The previous prime is 145961731. The next prime is 145961789. The reversal of 145961766 is 667169541.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 38326 + ... + 41961.

It is an arithmetic number, because the mean of its divisors is an integer number (13307736).

Almost surely, 2^145961766 is an apocalyptic number.

145961766 is an abundant number, since it is smaller than the sum of its proper divisors (173423898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145961766 is a wasteful number, since it uses less digits than its factorization.

145961766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80396 (or 80393 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 145961766 is about 12081.4637358227. The cubic root of 145961766 is about 526.5177738769.

The spelling of 145961766 in words is "one hundred forty-five million, nine hundred sixty-one thousand, seven hundred sixty-six".