2154141605 has 48 divisors (see below), whose sum is σ = 3338285184. Its totient is φ = 1296341760.

The previous prime is 2154141601. The next prime is 2154141607. The reversal of 2154141605 is 5061414512.

It is not a de Polignac number, because 2154141605 - 2² = 2154141601 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2154141601) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 320459 + ... + 327111.

It is an arithmetic number, because the mean of its divisors is an integer number (69547608).

Almost surely, 2^2154141605 is an apocalyptic number.

It is an amenable number.

2154141605 is a deficient number, since it is larger than the sum of its proper divisors (1184143579).

2154141605 is a wasteful number, since it uses less digits than its factorization.

2154141605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6734 (or 6705 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 2154141605 is about 46412.7310659478. The cubic root of 2154141605 is about 1291.4910957387.

The spelling of 2154141605 in words is "two billion, one hundred fifty-four million, one hundred forty-one thousand, six hundred five".