146157201 has 12 divisors (see below), whose sum is σ = 213207540. Its totient is φ = 96472800.

The previous prime is 146157197. The next prime is 146157227. The reversal of 146157201 is 102751641.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 117158976 + 28998225 = 10824^2 + 5385^2 .

It is not a de Polignac number, because 146157201 - 2² = 146157197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (146157001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79486 + ... + 81303.

It is an arithmetic number, because the mean of its divisors is an integer number (17767295).

Almost surely, 2^146157201 is an apocalyptic number.

It is an amenable number.

146157201 is a deficient number, since it is larger than the sum of its proper divisors (67050339).

146157201 is a wasteful number, since it uses less digits than its factorization.

146157201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160896 (or 160893 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 146157201 is about 12089.5492471804. The cubic root of 146157201 is about 526.7526621225.

The spelling of 146157201 in words is "one hundred forty-six million, one hundred fifty-seven thousand, two hundred one".