2154002415 has 32 divisors (see below), whose sum is σ = 3569075136. Its totient is φ = 1108623360.

The previous prime is 2154002401. The next prime is 2154002437. The reversal of 2154002415 is 5142004512.

It is not a de Polignac number, because 2154002415 - 2⁶ = 2154002351 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26287 + ... + 70703.

It is an arithmetic number, because the mean of its divisors is an integer number (111533598).

Almost surely, 2^2154002415 is an apocalyptic number.

2154002415 is a deficient number, since it is larger than the sum of its proper divisors (1415072721).

2154002415 is a wasteful number, since it uses less digits than its factorization.

2154002415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44539.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 2154002415 is about 46411.2315609056. The cubic root of 2154002415 is about 1291.4632785458.

Adding to 2154002415 its reverse (5142004512), we get a palindrome (7296006927).

The spelling of 2154002415 in words is "two billion, one hundred fifty-four million, two thousand, four hundred fifteen".