2145550334 has 8 divisors (see below), whose sum is σ = 3225277920. Its totient is φ = 1070457696.

The previous prime is 2145550333. The next prime is 2145550361. The reversal of 2145550334 is 4330555412.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2145550334.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145550333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1157579 + ... + 1159430.

It is an arithmetic number, because the mean of its divisors is an integer number (403159740).

Almost surely, 2^2145550334 is an apocalyptic number.

2145550334 is a deficient number, since it is larger than the sum of its proper divisors (1079727586).

2145550334 is a wasteful number, since it uses less digits than its factorization.

2145550334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2317474.

The product of its (nonzero) digits is 36000, while the sum is 32.

The square root of 2145550334 is about 46320.0856432714. The cubic root of 2145550334 is about 1289.7718752105.

The spelling of 2145550334 in words is "two billion, one hundred forty-five million, five hundred fifty thousand, three hundred thirty-four".