2154440603 has 4 divisors (see below), whose sum is σ = 2462217840. Its totient is φ = 1846663368.

The previous prime is 2154440593. The next prime is 2154440623. The reversal of 2154440603 is 3060444512.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2154440603 - 2¹⁰ = 2154439579 is a prime.

It is a super-2 number, since 2×2154440603² = 9283228623710007218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2154440623) 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, 153888608 + ... + 153888621.

It is an arithmetic number, because the mean of its divisors is an integer number (615554460).

Almost surely, 2^2154440603 is an apocalyptic number.

2154440603 is a deficient number, since it is larger than the sum of its proper divisors (307777237).

2154440603 is an equidigital number, since it uses as much as digits as its factorization.

2154440603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307777236.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 2154440603 is about 46415.9520316022. The cubic root of 2154440603 is about 1291.5508465909.

The spelling of 2154440603 in words is "two billion, one hundred fifty-four million, four hundred forty thousand, six hundred three".