145655156 has 6 divisors (see below), whose sum is σ = 254896530. Its totient is φ = 72827576.

The previous prime is 145655149. The next prime is 145655171. The reversal of 145655156 is 651556541.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 82992100 + 62663056 = 9110^2 + 7916^2 .

It is a congruent number.

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 as a sum of consecutive naturals, namely, 18206891 + ... + 18206898.

It is an arithmetic number, because the mean of its divisors is an integer number (42482755).

Almost surely, 2^145655156 is an apocalyptic number.

It is an amenable number.

145655156 is a deficient number, since it is larger than the sum of its proper divisors (109241374).

145655156 is a wasteful number, since it uses less digits than its factorization.

145655156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36413793 (or 36413791 counting only the distinct ones).

The product of its digits is 90000, while the sum is 38.

The square root of 145655156 is about 12068.7677912867. The cubic root of 145655156 is about 526.1488444205.

The spelling of 145655156 in words is "one hundred forty-five million, six hundred fifty-five thousand, one hundred fifty-six".