145582229 has 8 divisors (see below), whose sum is σ = 157067232. Its totient is φ = 134138160.

The previous prime is 145582211. The next prime is 145582243. The reversal of 145582229 is 922285541.

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

It is not a de Polignac number, because 145582229 - 2²⁴ = 128805013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145582192 and 145582201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145582279) 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, 2627 + ... + 17264.

It is an arithmetic number, because the mean of its divisors is an integer number (19633404).

Almost surely, 2^145582229 is an apocalyptic number.

It is an amenable number.

145582229 is a deficient number, since it is larger than the sum of its proper divisors (11485003).

145582229 is a wasteful number, since it uses less digits than its factorization.

145582229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20467.

The product of its digits is 57600, while the sum is 38.

The square root of 145582229 is about 12065.7461020859. The cubic root of 145582229 is about 526.0610185734.

The spelling of 145582229 in words is "one hundred forty-five million, five hundred eighty-two thousand, two hundred twenty-nine".