124452312445 has 4 divisors (see below), whose sum is σ = 149342774940. Its totient is φ = 99561849952.

The previous prime is 124452312409. The next prime is 124452312493. The reversal of 124452312445 is 544213254421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 50957644644 + 73494667801 = 225738^2 + 271099^2 .

It is a cyclic number.

It is not a de Polignac number, because 124452312445 - 2¹³ = 124452304253 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12445231240 + ... + 12445231249.

It is an arithmetic number, because the mean of its divisors is an integer number (37335693735).

Almost surely, 2^124452312445 is an apocalyptic number.

It is an amenable number.

124452312445 is a deficient number, since it is larger than the sum of its proper divisors (24890462495).

124452312445 is an equidigital number, since it uses as much as digits as its factorization.

124452312445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24890462494.

The product of its digits is 153600, while the sum is 37.

Adding to 124452312445 its reverse (544213254421), we get a palindrome (668665566866).

The spelling of 124452312445 in words is "one hundred twenty-four billion, four hundred fifty-two million, three hundred twelve thousand, four hundred forty-five".