145889119 has 4 divisors (see below), whose sum is σ = 145994800. Its totient is φ = 145783440.

The previous prime is 145889101. The next prime is 145889141. The reversal of 145889119 is 911988541.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 145889119 - 2⁷ = 145888991 is a prime.

It is a super-2 number, since 2×145889119² = 42567270085192322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145889179) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50742 + ... + 53539.

It is an arithmetic number, because the mean of its divisors is an integer number (36498700).

Almost surely, 2^145889119 is an apocalyptic number.

145889119 is a deficient number, since it is larger than the sum of its proper divisors (105681).

145889119 is a wasteful number, since it uses less digits than its factorization.

145889119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105680.

The product of its digits is 103680, while the sum is 46.

The square root of 145889119 is about 12078.4568136828. The cubic root of 145889119 is about 526.4304078830.

The spelling of 145889119 in words is "one hundred forty-five million, eight hundred eighty-nine thousand, one hundred nineteen".