145559849 has 8 divisors (see below), whose sum is σ = 151807488. Its totient is φ = 139409280.

The previous prime is 145559819. The next prime is 145559867. The reversal of 145559849 is 948955541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145559849 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145559797 and 145559806.

It is not an unprimeable number, because it can be changed into a prime (145559809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21197 + ... + 27210.

It is an arithmetic number, because the mean of its divisors is an integer number (18975936).

Almost surely, 2^145559849 is an apocalyptic number.

It is an amenable number.

145559849 is a deficient number, since it is larger than the sum of its proper divisors (6247639).

145559849 is an equidigital number, since it uses as much as digits as its factorization.

145559849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48535.

The product of its digits is 1296000, while the sum is 50.

The square root of 145559849 is about 12064.8186476217. The cubic root of 145559849 is about 526.0340605007.

The spelling of 145559849 in words is "one hundred forty-five million, five hundred fifty-nine thousand, eight hundred forty-nine".