154821045 has 8 divisors (see below), whose sum is σ = 247713696. Its totient is φ = 82571216.

The previous prime is 154821041. The next prime is 154821047. The reversal of 154821045 is 540128451.

154821045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 154821045 - 2² = 154821041 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154821041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5160687 + ... + 5160716.

It is an arithmetic number, because the mean of its divisors is an integer number (30964212).

Almost surely, 2^154821045 is an apocalyptic number.

154821045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

154821045 is a deficient number, since it is larger than the sum of its proper divisors (92892651).

154821045 is a wasteful number, since it uses less digits than its factorization.

154821045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10321411.

The product of its (nonzero) digits is 6400, while the sum is 30.

The square root of 154821045 is about 12442.7105166037. The cubic root of 154821045 is about 536.9617268618.

Adding to 154821045 its reverse (540128451), we get a palindrome (694949496).

The spelling of 154821045 in words is "one hundred fifty-four million, eight hundred twenty-one thousand, forty-five".