146745189 has 40 divisors (see below), whose sum is σ = 233365440. Its totient is φ = 91632384.

The previous prime is 146745169. The next prime is 146745217. The reversal of 146745189 is 981547641.

146745189 is a `hidden beast` number, since 1 + 467 + 4 + 5 + 189 = 666.

It is not a de Polignac number, because 146745189 - 2⁷ = 146745061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146745119) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 148792 + ... + 149774.

It is an arithmetic number, because the mean of its divisors is an integer number (5834136).

Almost surely, 2^146745189 is an apocalyptic number.

146745189 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

146745189 is a deficient number, since it is larger than the sum of its proper divisors (86620251).

146745189 is an equidigital number, since it uses as much as digits as its factorization.

146745189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111 (or 1102 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 146745189 is about 12113.8428667372. The cubic root of 146745189 is about 527.4580894055.

It can be divided in two parts, 1467 and 45189, that added together give a 6-th power (46656 = 6⁶).

The spelling of 146745189 in words is "one hundred forty-six million, seven hundred forty-five thousand, one hundred eighty-nine".