146987766 has 24 divisors (see below), whose sum is σ = 318885840. Its totient is φ = 48932496.

The previous prime is 146987761. The next prime is 146987767. The reversal of 146987766 is 667789641.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146987761) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10236 + ... + 19968.

It is an arithmetic number, because the mean of its divisors is an integer number (13286910).

Almost surely, 2^146987766 is an apocalyptic number.

146987766 is an abundant number, since it is smaller than the sum of its proper divisors (171898074).

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

146987766 is a wasteful number, since it uses less digits than its factorization.

146987766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10580 (or 10577 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 54.

The square root of 146987766 is about 12123.8511208279. The cubic root of 146987766 is about 527.7485674430.

The spelling of 146987766 in words is "one hundred forty-six million, nine hundred eighty-seven thousand, seven hundred sixty-six".