153403133450645 has 8 divisors (see below), whose sum is σ = 198244049382456. Its totient is φ = 113282313932736.

The previous prime is 153403133450617. The next prime is 153403133450657. The reversal of 153403133450645 is 546054331304351.

153403133450645 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 851164927396 + 152551968523249 = 922586^2 + 12351193^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-153403133450645 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 153403133450645.

It is a congruent 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, 1180024103402 + ... + 1180024103531.

It is an arithmetic number, because the mean of its divisors is an integer number (24780506172807).

Almost surely, 2^{153403133450645} is an apocalyptic number.

It is an amenable number.

153403133450645 is a deficient number, since it is larger than the sum of its proper divisors (44840915931811).

153403133450645 is a wasteful number, since it uses less digits than its factorization.

153403133450645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2360048206951.

The product of its (nonzero) digits is 3888000, while the sum is 47.

Adding to 153403133450645 its reverse (546054331304351), we get a palindrome (699457464754996).

The spelling of 153403133450645 in words is "one hundred fifty-three trillion, four hundred three billion, one hundred thirty-three million, four hundred fifty thousand, six hundred forty-five".