146776873 has 4 divisors (see below), whose sum is σ = 146831760. Its totient is φ = 146721988.

The previous prime is 146776853. The next prime is 146776897. The reversal of 146776873 is 378677641.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 378677641 = 739 ⋅512419.

It is a cyclic number.

It is not a de Polignac number, because 146776873 - 2⁹ = 146776361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146776813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23215 + ... + 28852.

It is an arithmetic number, because the mean of its divisors is an integer number (36707940).

Almost surely, 2^146776873 is an apocalyptic number.

It is an amenable number.

146776873 is a deficient number, since it is larger than the sum of its proper divisors (54887).

146776873 is an equidigital number, since it uses as much as digits as its factorization.

146776873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54886.

The product of its digits is 1185408, while the sum is 49.

The square root of 146776873 is about 12115.1505562250. The cubic root of 146776873 is about 527.4960481274.

The spelling of 146776873 in words is "one hundred forty-six million, seven hundred seventy-six thousand, eight hundred seventy-three".