145546105 has 8 divisors (see below), whose sum is σ = 178915464. Its totient is φ = 113596800.

The previous prime is 145546091. The next prime is 145546133. The reversal of 145546105 is 501645541.

It can be written as a sum of positive squares in 4 ways, for example, as 11634921 + 133911184 = 3411^2 + 11572^2 .

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

It is not a de Polignac number, because 145546105 - 2⁷ = 145545977 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 354786 + ... + 355195.

It is an arithmetic number, because the mean of its divisors is an integer number (22364433).

Almost surely, 2^145546105 is an apocalyptic number.

It is an amenable number.

145546105 is a deficient number, since it is larger than the sum of its proper divisors (33369359).

145546105 is an equidigital number, since it uses as much as digits as its factorization.

145546105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710027.

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 145546105 is about 12064.2490441801. The cubic root of 145546105 is about 526.0175036463.

The spelling of 145546105 in words is "one hundred forty-five million, five hundred forty-six thousand, one hundred five".