146331601 has 8 divisors (see below), whose sum is σ = 157968104. Its totient is φ = 134749440.

The previous prime is 146331571. The next prime is 146331617. The reversal of 146331601 is 106133641.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 767376 + 145564225 = 876^2 + 12065^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 146331601 - 2⁹ = 146331089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146331641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7896 + ... + 18841.

It is an arithmetic number, because the mean of its divisors is an integer number (19746013).

Almost surely, 2^146331601 is an apocalyptic number.

It is an amenable number.

146331601 is a deficient number, since it is larger than the sum of its proper divisors (11636503).

146331601 is a wasteful number, since it uses less digits than its factorization.

146331601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27171.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 146331601 is about 12096.7599380991. The cubic root of 146331601 is about 526.9620922172.

The spelling of 146331601 in words is "one hundred forty-six million, three hundred thirty-one thousand, six hundred one".