146959989 has 16 divisors (see below), whose sum is σ = 216774144. Its totient is φ = 87810800.

The previous prime is 146959963. The next prime is 146959993. The reversal of 146959989 is 989959641.

146959989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 146959989 - 2⁵ = 146959957 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146959999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29019 + ... + 33704.

It is an arithmetic number, because the mean of its divisors is an integer number (13548384).

Almost surely, 2^146959989 is an apocalyptic number.

It is an amenable number.

146959989 is a deficient number, since it is larger than the sum of its proper divisors (69814155).

146959989 is a wasteful number, since it uses less digits than its factorization.

146959989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62808.

The product of its digits is 6298560, while the sum is 60.

The square root of 146959989 is about 12122.7055148593. The cubic root of 146959989 is about 527.7153216025.

The spelling of 146959989 in words is "one hundred forty-six million, nine hundred fifty-nine thousand, nine hundred eighty-nine".