145606089 has 8 divisors (see below), whose sum is σ = 194205600. Its totient is φ = 97038656.

The previous prime is 145606081. The next prime is 145606091. The reversal of 145606089 is 980606541.

145606089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 145606089 - 2³ = 145606081 is a prime.

It is a super-2 number, since 2×145606089² = 42402266307751842, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145606081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6154 + ... + 18140.

It is an arithmetic number, because the mean of its divisors is an integer number (24275700).

Almost surely, 2^145606089 is an apocalyptic number.

It is an amenable number.

145606089 is a deficient number, since it is larger than the sum of its proper divisors (48599511).

145606089 is a wasteful number, since it uses less digits than its factorization.

145606089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16039.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 145606089 is about 12066.7348110415. The cubic root of 145606089 is about 526.0897563535.

The spelling of 145606089 in words is "one hundred forty-five million, six hundred six thousand, eighty-nine".