148547345 has 4 divisors (see below), whose sum is σ = 178256820. Its totient is φ = 118837872.

The previous prime is 148547323. The next prime is 148547359. The reversal of 148547345 is 543745841.

It is a Cunningham number, because it is equal to 12188²+1.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 543745841 = 523 ⋅1039667.

It can be written as a sum of positive squares in 2 ways, for example, as 53465344 + 95082001 = 7312^2 + 9751^2 .

It is a cyclic number.

It is not a de Polignac number, because 148547345 - 2⁸ = 148547089 is a prime.

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 in 3 ways as a sum of consecutive naturals, for example, 14854730 + ... + 14854739.

It is an arithmetic number, because the mean of its divisors is an integer number (44564205).

Almost surely, 2^148547345 is an apocalyptic number.

It is an amenable number.

148547345 is a deficient number, since it is larger than the sum of its proper divisors (29709475).

148547345 is an equidigital number, since it uses as much as digits as its factorization.

148547345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29709474.

The product of its digits is 268800, while the sum is 41.

The square root of 148547345 is about 12188.0000410240. Note that the first 4 decimals coincide. The cubic root of 148547345 is about 529.6085218753.

The spelling of 148547345 in words is "one hundred forty-eight million, five hundred forty-seven thousand, three hundred forty-five".