146656145 has 4 divisors (see below), whose sum is σ = 175987380. Its totient is φ = 117324912.

The previous prime is 146656129. The next prime is 146656201. The reversal of 146656145 is 541656641.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 541656641 = 2239 ⋅241919.

It can be written as a sum of positive squares in 2 ways, for example, as 20857489 + 125798656 = 4567^2 + 11216^2 .

It is a cyclic number.

It is not a de Polignac number, because 146656145 - 2⁴ = 146656129 is a prime.

It is a super-2 number, since 2×146656145² = 43016049732522050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 146656099 and 146656108.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14665610 + ... + 14665619.

It is an arithmetic number, because the mean of its divisors is an integer number (43996845).

Almost surely, 2^146656145 is an apocalyptic number.

It is an amenable number.

146656145 is a deficient number, since it is larger than the sum of its proper divisors (29331235).

146656145 is an equidigital number, since it uses as much as digits as its factorization.

146656145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29331234.

The product of its digits is 86400, while the sum is 38.

The square root of 146656145 is about 12110.1670095833. The cubic root of 146656145 is about 527.3513818049.

The spelling of 146656145 in words is "one hundred forty-six million, six hundred fifty-six thousand, one hundred forty-five".