145855093 has 8 divisors (see below), whose sum is σ = 152468480. Its totient is φ = 139361040.

The previous prime is 145855091. The next prime is 145855133. The reversal of 145855093 is 390558541.

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 145855093 - 2¹ = 145855091 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145855091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27330 + ... + 32227.

It is an arithmetic number, because the mean of its divisors is an integer number (19058560).

Almost surely, 2^145855093 is an apocalyptic number.

It is an amenable number.

145855093 is a deficient number, since it is larger than the sum of its proper divisors (6613387).

145855093 is an equidigital number, since it uses as much as digits as its factorization.

145855093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59667.

The product of its (nonzero) digits is 108000, while the sum is 40.

The square root of 145855093 is about 12077.0481906797. The cubic root of 145855093 is about 526.3894779083.

The spelling of 145855093 in words is "one hundred forty-five million, eight hundred fifty-five thousand, ninety-three".