154253603315453 has 8 divisors (see below), whose sum is σ = 155845333388472. Its totient is φ = 152661903584256.

The previous prime is 154253603315423. The next prime is 154253603315531. The reversal of 154253603315453 is 354513306352451.

It can be written as a sum of positive squares in 4 ways, for example, as 17861966700964 + 136391636614489 = 4226342^2 + 11678683^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 154253603315453 - 2¹⁶ = 154253603249917 is a prime.

It is a super-2 number, since 2×154253603315453² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154253603315423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2706401 + ... + 17771657.

It is an arithmetic number, because the mean of its divisors is an integer number (19480666673559).

Almost surely, 2^{154253603315453} is an apocalyptic number.

It is an amenable number.

154253603315453 is a deficient number, since it is larger than the sum of its proper divisors (1591730073019).

154253603315453 is a wasteful number, since it uses less digits than its factorization.

154253603315453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15170911.

The product of its (nonzero) digits is 9720000, while the sum is 50.

The spelling of 154253603315453 in words is "one hundred fifty-four trillion, two hundred fifty-three billion, six hundred three million, three hundred fifteen thousand, four hundred fifty-three".