145034889 has 16 divisors (see below), whose sum is σ = 196884480. Its totient is φ = 94953600.

The previous prime is 145034863. The next prime is 145034893. The reversal of 145034889 is 988430541.

It is not a de Polignac number, because 145034889 - 2⁷ = 145034761 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145034889.

It is not an unprimeable number, because it can be changed into a prime (145034839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36597 + ... + 40365.

It is an arithmetic number, because the mean of its divisors is an integer number (12305280).

Almost surely, 2^145034889 is an apocalyptic number.

It is an amenable number.

145034889 is a deficient number, since it is larger than the sum of its proper divisors (51849591).

145034889 is a wasteful number, since it uses less digits than its factorization.

145034889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4000.

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 145034889 is about 12043.0431785326. The cubic root of 145034889 is about 525.4009200604.

The spelling of 145034889 in words is "one hundred forty-five million, thirty-four thousand, eight hundred eighty-nine".