145748105 has 8 divisors (see below), whose sum is σ = 175224264. Its totient is φ = 116380800.

The previous prime is 145748101. The next prime is 145748149. The reversal of 145748105 is 501847541.

145748105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 11744329 + 134003776 = 3427^2 + 11576^2 .

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

It is not a de Polignac number, because 145748105 - 2² = 145748101 is a prime.

It is a super-2 number, since 2×145748105² = 42485020222182050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (145748101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24236 + ... + 29645.

It is an arithmetic number, because the mean of its divisors is an integer number (21903033).

Almost surely, 2^145748105 is an apocalyptic number.

It is an amenable number.

145748105 is a deficient number, since it is larger than the sum of its proper divisors (29476159).

145748105 is an equidigital number, since it uses as much as digits as its factorization.

145748105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54427.

The product of its (nonzero) digits is 22400, while the sum is 35.

The square root of 145748105 is about 12072.6179845135. The cubic root of 145748105 is about 526.2607402415.

The spelling of 145748105 in words is "one hundred forty-five million, seven hundred forty-eight thousand, one hundred five".