145602612 has 18 divisors (see below), whose sum is σ = 368051138. Its totient is φ = 48534192.

The previous prime is 145602599. The next prime is 145602617. The reversal of 145602612 is 216206541.

145602612 is a `hidden beast` number, since 1 + 45 + 6 + 0 + 2 + 612 = 666.

It can be written as a sum of positive squares in only one way, i.e., 121749156 + 23853456 = 11034^2 + 4884^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145602617) 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 5 ways as a sum of consecutive naturals, for example, 2022223 + ... + 2022294.

Almost surely, 2^145602612 is an apocalyptic number.

145602612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

145602612 is an abundant number, since it is smaller than the sum of its proper divisors (222448526).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145602612 is a wasteful number, since it uses less digits than its factorization.

145602612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4044527 (or 4044522 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 145602612 is about 12066.5907364094. The cubic root of 145602612 is about 526.0855687341.

The spelling of 145602612 in words is "one hundred forty-five million, six hundred two thousand, six hundred twelve".