154205255215253 has 8 divisors (see below), whose sum is σ = 168277815463296. Its totient is φ = 140141678414400.

The previous prime is 154205255215243. The next prime is 154205255215273. The reversal of 154205255215253 is 352512552502451.

It is a happy number.

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 154205255215253 - 2⁴⁰ = 153105743587477 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 154205255215198 and 154205255215207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154205255215243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2245825901 + ... + 2245894562.

It is an arithmetic number, because the mean of its divisors is an integer number (21034726932912).

Almost surely, 2^{154205255215253} is an apocalyptic number.

It is an amenable number.

154205255215253 is a deficient number, since it is larger than the sum of its proper divisors (14072560248043).

154205255215253 is a wasteful number, since it uses less digits than its factorization.

154205255215253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4491723595.

The product of its (nonzero) digits is 3000000, while the sum is 47.

The spelling of 154205255215253 in words is "one hundred fifty-four trillion, two hundred five billion, two hundred fifty-five million, two hundred fifteen thousand, two hundred fifty-three".