154436053253 has 16 divisors (see below), whose sum is σ = 162946517376. Its totient is φ = 146084178240.

The previous prime is 154436053243. The next prime is 154436053267. The reversal of 154436053253 is 352350634451.

It is a cyclic number.

It is not a de Polignac number, because 154436053253 - 2⁴ = 154436053237 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 154436053253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154436053243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 660575 + ... + 863267.

It is an arithmetic number, because the mean of its divisors is an integer number (10184157336).

Almost surely, 2^154436053253 is an apocalyptic number.

It is an amenable number.

154436053253 is a deficient number, since it is larger than the sum of its proper divisors (8510464123).

154436053253 is a wasteful number, since it uses less digits than its factorization.

154436053253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203084.

The product of its (nonzero) digits is 648000, while the sum is 41.

The spelling of 154436053253 in words is "one hundred fifty-four billion, four hundred thirty-six million, fifty-three thousand, two hundred fifty-three".