4145554623 has 8 divisors (see below), whose sum is σ = 6317035648. Its totient is φ = 2368888344.

The previous prime is 4145554579. The next prime is 4145554627. The reversal of 4145554623 is 3264555414.

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

It is not a de Polignac number, because 4145554623 - 2⁶ = 4145554559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4145554627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98703661 + ... + 98703702.

It is an arithmetic number, because the mean of its divisors is an integer number (789629456).

Almost surely, 2^4145554623 is an apocalyptic number.

4145554623 is a deficient number, since it is larger than the sum of its proper divisors (2171481025).

4145554623 is a wasteful number, since it uses less digits than its factorization.

4145554623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197407373.

The product of its digits is 288000, while the sum is 39.

The square root of 4145554623 is about 64385.9815720783. The cubic root of 4145554623 is about 1606.4265772500.

The spelling of 4145554623 in words is "four billion, one hundred forty-five million, five hundred fifty-four thousand, six hundred twenty-three".