146729601 has 24 divisors (see below), whose sum is σ = 225618120. Its totient is φ = 91570176.

The previous prime is 146729593. The next prime is 146729657. The reversal of 146729601 is 106927641.

146729601 is a `hidden beast` number, since 1 + 46 + 7 + 2 + 9 + 601 = 666.

146729601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 8643600 + 138086001 = 2940^2 + 11751^2 .

It is not a de Polignac number, because 146729601 - 2³ = 146729593 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (146729501) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27045 + ... + 32013.

It is an arithmetic number, because the mean of its divisors is an integer number (9400755).

Almost surely, 2^146729601 is an apocalyptic number.

It is an amenable number.

146729601 is a deficient number, since it is larger than the sum of its proper divisors (78888519).

146729601 is a wasteful number, since it uses less digits than its factorization.

146729601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5185 (or 5182 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 146729601 is about 12113.1994534887. The cubic root of 146729601 is about 527.4394123415.

The spelling of 146729601 in words is "one hundred forty-six million, seven hundred twenty-nine thousand, six hundred one".