155533232231254 has 64 divisors (see below), whose sum is σ = 256910088268800. Its totient is φ = 70289835212800.

The previous prime is 155533232231243. The next prime is 155533232231263. The reversal of 155533232231254 is 452132232335551.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1734249294 + ... + 1734338974.

It is an arithmetic number, because the mean of its divisors is an integer number (4014220129200).

Almost surely, 2^{155533232231254} is an apocalyptic number.

155533232231254 is a deficient number, since it is larger than the sum of its proper divisors (101376856037546).

155533232231254 is a wasteful number, since it uses less digits than its factorization.

155533232231254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99129.

The product of its digits is 3240000, while the sum is 46.

The spelling of 155533232231254 in words is "one hundred fifty-five trillion, five hundred thirty-three billion, two hundred thirty-two million, two hundred thirty-one thousand, two hundred fifty-four".