2145620174 has 8 divisors (see below), whose sum is σ = 3322250688. Its totient is φ = 1038203280.

The previous prime is 2145620119. The next prime is 2145620203. The reversal of 2145620174 is 4710265412.

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 2145620174.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17303327 + ... + 17303450.

It is an arithmetic number, because the mean of its divisors is an integer number (415281336).

Almost surely, 2^2145620174 is an apocalyptic number.

2145620174 is a deficient number, since it is larger than the sum of its proper divisors (1176630514).

2145620174 is a wasteful number, since it uses less digits than its factorization.

2145620174 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34606810.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 2145620174 is about 46320.8395217531. The cubic root of 2145620174 is about 1289.7858695517.

Adding to 2145620174 its reverse (4710265412), we get a palindrome (6855885586).

The spelling of 2145620174 in words is "two billion, one hundred forty-five million, six hundred twenty thousand, one hundred seventy-four".