145228863 has 16 divisors (see below), whose sum is σ = 209341440. Its totient is φ = 89025504.

The previous prime is 145228859. The next prime is 145228883. The reversal of 145228863 is 368822541.

It is not a de Polignac number, because 145228863 - 2² = 145228859 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145228813) 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 15 ways as a sum of consecutive naturals, for example, 3178 + ... + 17336.

It is an arithmetic number, because the mean of its divisors is an integer number (13083840).

Almost surely, 2^145228863 is an apocalyptic number.

145228863 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

145228863 is a deficient number, since it is larger than the sum of its proper divisors (64112577).

145228863 is a wasteful number, since it uses less digits than its factorization.

145228863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14438.

The product of its digits is 92160, while the sum is 39.

The square root of 145228863 is about 12051.0938507672. The cubic root of 145228863 is about 525.6350446865.

The spelling of 145228863 in words is "one hundred forty-five million, two hundred twenty-eight thousand, eight hundred sixty-three".