44154121 has 4 divisors (see below), whose sum is σ = 48168144. Its totient is φ = 40140100.

The previous prime is 44154113. The next prime is 44154133. The reversal of 44154121 is 12145144.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 44154121 - 2³ = 44154113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 44154092 and 44154101.

It is not an unprimeable number, because it can be changed into a prime (44154161) 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, 2006995 + ... + 2007016.

It is an arithmetic number, because the mean of its divisors is an integer number (12042036).

Almost surely, 2^44154121 is an apocalyptic number.

It is an amenable number.

44154121 is a deficient number, since it is larger than the sum of its proper divisors (4014023).

44154121 is a wasteful number, since it uses less digits than its factorization.

44154121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4014022.

The product of its digits is 640, while the sum is 22.

The square root of 44154121 is about 6644.8567328423. The cubic root of 44154121 is about 353.4465507797.

Adding to 44154121 its reverse (12145144), we get a palindrome (56299265).

The spelling of 44154121 in words is "forty-four million, one hundred fifty-four thousand, one hundred twenty-one".