2150155646342 has 64 divisors (see below), whose sum is σ = 3624828254208. Its totient is φ = 947960496000.

The previous prime is 2150155646341. The next prime is 2150155646459. The reversal of 2150155646342 is 2436465510512.

It is a junction number, because it is equal to n+sod(n) for n = 2150155646293 and 2150155646302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2150155646341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 376490867 + ... + 376496577.

It is an arithmetic number, because the mean of its divisors is an integer number (56637941472).

Almost surely, 2^{2150155646342} is an apocalyptic number.

2150155646342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2150155646342 is a deficient number, since it is larger than the sum of its proper divisors (1474672607866).

2150155646342 is a wasteful number, since it uses less digits than its factorization.

2150155646342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7125.

The product of its (nonzero) digits is 864000, while the sum is 44.

The spelling of 2150155646342 in words is "two trillion, one hundred fifty billion, one hundred fifty-five million, six hundred forty-six thousand, three hundred forty-two".