154045441 has 4 divisors (see below), whose sum is σ = 168049584. Its totient is φ = 140041300.

The previous prime is 154045433. The next prime is 154045457. The reversal of 154045441 is 144540451.

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 a cyclic number.

It is not a de Polignac number, because 154045441 - 2³ = 154045433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (154045481) 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, 7002055 + ... + 7002076.

It is an arithmetic number, because the mean of its divisors is an integer number (42012396).

Almost surely, 2^154045441 is an apocalyptic number.

154045441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

154045441 is a deficient number, since it is larger than the sum of its proper divisors (14004143).

154045441 is a wasteful number, since it uses less digits than its factorization.

154045441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14004142.

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 154045441 is about 12411.5043810168. The cubic root of 154045441 is about 536.0635564068.

Adding to 154045441 its reverse (144540451), we get a palindrome (298585892).

The spelling of 154045441 in words is "one hundred fifty-four million, forty-five thousand, four hundred forty-one".