145885893 has 8 divisors (see below), whose sum is σ = 194590656. Its totient is φ = 97219200.

The previous prime is 145885889. The next prime is 145885897. The reversal of 145885893 is 398588541.

It is an interprime number because it is at equal distance from previous prime (145885889) and next prime (145885897).

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

It is not a de Polignac number, because 145885893 - 2² = 145885889 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145885897) 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 7 ways as a sum of consecutive naturals, for example, 1128 + ... + 17118.

It is an arithmetic number, because the mean of its divisors is an integer number (24323832).

Almost surely, 2^145885893 is an apocalyptic number.

It is an amenable number.

145885893 is a deficient number, since it is larger than the sum of its proper divisors (48704763).

145885893 is a wasteful number, since it uses less digits than its factorization.

145885893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19035.

The product of its digits is 1382400, while the sum is 51.

The square root of 145885893 is about 12078.3232693946. The cubic root of 145885893 is about 526.4265275913.

The spelling of 145885893 in words is "one hundred forty-five million, eight hundred eighty-five thousand, eight hundred ninety-three".