2145334141550 has 24 divisors (see below), whose sum is σ = 3993666393456. Its totient is φ = 857414325440.

The previous prime is 2145334141547. The next prime is 2145334141597. The reversal of 2145334141550 is 551414335412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17923034 + ... + 18042333.

It is an arithmetic number, because the mean of its divisors is an integer number (166402766394).

Almost surely, 2^{2145334141550} is an apocalyptic number.

2145334141550 is a deficient number, since it is larger than the sum of its proper divisors (1848332251906).

2145334141550 is a wasteful number, since it uses less digits than its factorization.

2145334141550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35966572 (or 35966567 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 38.

Adding to 2145334141550 its reverse (551414335412), we get a palindrome (2696748476962).

The spelling of 2145334141550 in words is "two trillion, one hundred forty-five billion, three hundred thirty-four million, one hundred forty-one thousand, five hundred fifty".