145450789 has 8 divisors (see below), whose sum is σ = 158792832. Its totient is φ = 132128640.

The previous prime is 145450733. The next prime is 145450817. The reversal of 145450789 is 987054541.

145450789 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 145450789 - 2⁷ = 145450661 is a prime.

It is a super-3 number, since 3×145450789³ (a number of 25 digits) contains 333 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145450889) 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, 13237 + ... + 21589.

It is an arithmetic number, because the mean of its divisors is an integer number (19849104).

Almost surely, 2^145450789 is an apocalyptic number.

It is an amenable number.

145450789 is a deficient number, since it is larger than the sum of its proper divisors (13342043).

145450789 is a wasteful number, since it uses less digits than its factorization.

145450789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9947.

The product of its (nonzero) digits is 201600, while the sum is 43.

The square root of 145450789 is about 12060.2980477267. The cubic root of 145450789 is about 525.9026515330.

The spelling of 145450789 in words is "one hundred forty-five million, four hundred fifty thousand, seven hundred eighty-nine".