146307849 has 4 divisors (see below), whose sum is σ = 195077136. Its totient is φ = 97538564.

The previous prime is 146307827. The next prime is 146307869. The reversal of 146307849 is 948703641.

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: 948703641 = 3 ⋅316234547.

It is a cyclic number.

It is not a de Polignac number, because 146307849 - 2¹⁷ = 146176777 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 146307849.

It is not an unprimeable number, because it can be changed into a prime (146307869) 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 3 ways as a sum of consecutive naturals, for example, 24384639 + ... + 24384644.

It is an arithmetic number, because the mean of its divisors is an integer number (48769284).

Almost surely, 2^146307849 is an apocalyptic number.

It is an amenable number.

146307849 is a deficient number, since it is larger than the sum of its proper divisors (48769287).

146307849 is an equidigital number, since it uses as much as digits as its factorization.

146307849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48769286.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 146307849 is about 12095.7781477671. The cubic root of 146307849 is about 526.9335791669.

The spelling of 146307849 in words is "one hundred forty-six million, three hundred seven thousand, eight hundred forty-nine".