147748105 has 16 divisors (see below), whose sum is σ = 188035344. Its totient is φ = 111063040.

The previous prime is 147748087. The next prime is 147748109. The reversal of 147748105 is 501847741.

It can be written as a sum of positive squares in 8 ways, for example, as 9144576 + 138603529 = 3024^2 + 11773^2 .

It is not a de Polignac number, because 147748105 - 2¹¹ = 147746057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147748109) 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 15 ways as a sum of consecutive naturals, for example, 73899 + ... + 75871.

It is an arithmetic number, because the mean of its divisors is an integer number (11752209).

Almost surely, 2^147748105 is an apocalyptic number.

It is an amenable number.

147748105 is a deficient number, since it is larger than the sum of its proper divisors (40287239).

147748105 is a wasteful number, since it uses less digits than its factorization.

147748105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2876.

The product of its (nonzero) digits is 31360, while the sum is 37.

The square root of 147748105 is about 12155.1678310092. The cubic root of 147748105 is about 528.6569829687.

The spelling of 147748105 in words is "one hundred forty-seven million, seven hundred forty-eight thousand, one hundred five".