146036146 has 4 divisors (see below), whose sum is σ = 219054222. Its totient is φ = 73018072.

The previous prime is 146036123. The next prime is 146036173. The reversal of 146036146 is 641630641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 641630641 = 983 ⋅652727.

It can be written as a sum of positive squares in only one way, i.e., 90459121 + 55577025 = 9511^2 + 7455^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 36509035 + ... + 36509038.

Almost surely, 2^146036146 is an apocalyptic number.

146036146 is a deficient number, since it is larger than the sum of its proper divisors (73018076).

146036146 is an equidigital number, since it uses as much as digits as its factorization.

146036146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73018075.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 146036146 is about 12084.5416131519. The cubic root of 146036146 is about 526.6071939645.

Adding to 146036146 its reverse (641630641), we get a palindrome (787666787).

The spelling of 146036146 in words is "one hundred forty-six million, thirty-six thousand, one hundred forty-six".