145441093 has 16 divisors (see below), whose sum is σ = 170807296. Its totient is φ = 121247280.

The previous prime is 145441073. The next prime is 145441099. The reversal of 145441093 is 390144541.

It is not a de Polignac number, because 145441093 - 2²⁵ = 111886661 is a prime.

It is a super-2 number, since 2×145441093² = 42306223066069298, 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 (145441099) 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, 80680 + ... + 82462.

It is an arithmetic number, because the mean of its divisors is an integer number (10675456).

Almost surely, 2^145441093 is an apocalyptic number.

It is an amenable number.

145441093 is a deficient number, since it is larger than the sum of its proper divisors (25366203).

145441093 is a wasteful number, since it uses less digits than its factorization.

145441093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2104.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 145441093 is about 12059.8960609120. The cubic root of 145441093 is about 525.8909654146.

The spelling of 145441093 in words is "one hundred forty-five million, four hundred forty-one thousand, ninety-three".