155456242232000 has 112 divisors (see below), whose sum is σ = 387926221494240. Its totient is φ = 61707820928000.

The previous prime is 155456242231999. The next prime is 155456242232003. The reversal of 155456242232000 is 232242654551.

It is not an unprimeable number, because it can be changed into a prime (155456242232003) 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, 73120055 + ... + 75216054.

Almost surely, 2^{155456242232000} is an apocalyptic number.

155456242232000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155456242232000 is an abundant number, since it is smaller than the sum of its proper divisors (232469979262240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155456242232000 is a wasteful number, since it uses less digits than its factorization.

155456242232000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148336267 (or 148336247 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 41.

Adding to 155456242232000 its reverse (232242654551), we get a palindrome (155688484886551).

The spelling of 155456242232000 in words is "one hundred fifty-five trillion, four hundred fifty-six billion, two hundred forty-two million, two hundred thirty-two thousand".