146142046 has 16 divisors (see below), whose sum is σ = 229267584. Its totient is φ = 69734104.

The previous prime is 146142019. The next prime is 146142067. The reversal of 146142046 is 640241641.

It is a super-2 number, since 2×146142046² = 42714995218132232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18081 + ... + 24883.

It is an arithmetic number, because the mean of its divisors is an integer number (14329224).

Almost surely, 2^146142046 is an apocalyptic number.

146142046 is a deficient number, since it is larger than the sum of its proper divisors (83125538).

146142046 is a wasteful number, since it uses less digits than its factorization.

146142046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7295.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 146142046 is about 12088.9224499126. The cubic root of 146142046 is about 526.7344552136.

Adding to 146142046 its reverse (640241641), we get a palindrome (786383687).

The spelling of 146142046 in words is "one hundred forty-six million, one hundred forty-two thousand, forty-six".