154144105014253 has 4 divisors (see below), whose sum is σ = 154144232000928. Its totient is φ = 154143978027580.

The previous prime is 154144105014217. The next prime is 154144105014257. The reversal of 154144105014253 is 352410501441451.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-154144105014253 is a prime.

It is a super-2 number, since 2×154144105014253² (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 (154144105014257) 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, 61654801 + ... + 64106182.

It is an arithmetic number, because the mean of its divisors is an integer number (38536058000232).

Almost surely, 2^{154144105014253} is an apocalyptic number.

It is an amenable number.

154144105014253 is a deficient number, since it is larger than the sum of its proper divisors (126986675).

154144105014253 is a wasteful number, since it uses less digits than its factorization.

154144105014253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126986674.

The product of its (nonzero) digits is 192000, while the sum is 40.

The spelling of 154144105014253 in words is "one hundred fifty-four trillion, one hundred forty-four billion, one hundred five million, fourteen thousand, two hundred fifty-three".