124465145 has 12 divisors (see below), whose sum is σ = 173743524. Its totient is φ = 85347360.

The previous prime is 124465141. The next prime is 124465171. The reversal of 124465145 is 541564421.

It can be written as a sum of positive squares in 2 ways, for example, as 92236816 + 32228329 = 9604^2 + 5677^2 .

It is not a de Polignac number, because 124465145 - 2² = 124465141 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (124465141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 253766 + ... + 254255.

It is an arithmetic number, because the mean of its divisors is an integer number (14478627).

Almost surely, 2^124465145 is an apocalyptic number.

It is an amenable number.

124465145 is a deficient number, since it is larger than the sum of its proper divisors (49278379).

124465145 is an equidigital number, since it uses as much as digits as its factorization.

124465145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508040 (or 508033 counting only the distinct ones).

The product of its digits is 19200, while the sum is 32.

The square root of 124465145 is about 11156.3948029818. The cubic root of 124465145 is about 499.2858404379.

The spelling of 124465145 in words is "one hundred twenty-four million, four hundred sixty-five thousand, one hundred forty-five".