153554345249 has 4 divisors (see below), whose sum is σ = 154963100820. Its totient is φ = 152145589680.

The previous prime is 153554345237. The next prime is 153554345279. The reversal of 153554345249 is 942543455351.

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 92518172224 + 61036173025 = 304168^2 + 247055^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-153554345249 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 153554345197 and 153554345206.

It is not an unprimeable number, because it can be changed into a prime (153554345279) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 704377622 + ... + 704377839.

It is an arithmetic number, because the mean of its divisors is an integer number (38740775205).

Almost surely, 2^153554345249 is an apocalyptic number.

It is an amenable number.

153554345249 is a deficient number, since it is larger than the sum of its proper divisors (1408755571).

153554345249 is a wasteful number, since it uses less digits than its factorization.

153554345249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1408755570.

The product of its digits is 6480000, while the sum is 50.

The spelling of 153554345249 in words is "one hundred fifty-three billion, five hundred fifty-four million, three hundred forty-five thousand, two hundred forty-nine".