145655564 has 6 divisors (see below), whose sum is σ = 254897244. Its totient is φ = 72827780.

The previous prime is 145655561. The next prime is 145655579. The reversal of 145655564 is 465556541.

It is not an unprimeable number, because it can be changed into a prime (145655561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18206942 + ... + 18206949.

It is an arithmetic number, because the mean of its divisors is an integer number (42482874).

Almost surely, 2^145655564 is an apocalyptic number.

It is an amenable number.

145655564 is a deficient number, since it is larger than the sum of its proper divisors (109241680).

145655564 is a wasteful number, since it uses less digits than its factorization.

145655564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36413895 (or 36413893 counting only the distinct ones).

The product of its digits is 360000, while the sum is 41.

The square root of 145655564 is about 12068.7846944090. The cubic root of 145655564 is about 526.1493356916.

The spelling of 145655564 in words is "one hundred forty-five million, six hundred fifty-five thousand, five hundred sixty-four".