145516827 has 8 divisors (see below), whose sum is σ = 195325200. Its totient is φ = 96359840.

The previous prime is 145516817. The next prime is 145516849. The reversal of 145516827 is 728615541.

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

It is a cyclic number.

It is not a de Polignac number, because 145516827 - 2⁸ = 145516571 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145516817) 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 7 ways as a sum of consecutive naturals, for example, 162324 + ... + 163217.

It is an arithmetic number, because the mean of its divisors is an integer number (24415650).

Almost surely, 2^145516827 is an apocalyptic number.

145516827 is a deficient number, since it is larger than the sum of its proper divisors (49808373).

145516827 is a wasteful number, since it uses less digits than its factorization.

145516827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325693.

The product of its digits is 67200, while the sum is 39.

The square root of 145516827 is about 12063.0355632403. The cubic root of 145516827 is about 525.9822301196.

The spelling of 145516827 in words is "one hundred forty-five million, five hundred sixteen thousand, eight hundred twenty-seven".