154483021 has 8 divisors (see below), whose sum is σ = 192602304. Its totient is φ = 120376320.

The previous prime is 154482983. The next prime is 154483033. The reversal of 154483021 is 120384451.

154483021 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 154483021 - 2⁹ = 154482509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154483921) 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, 1003060 + ... + 1003213.

It is an arithmetic number, because the mean of its divisors is an integer number (24075288).

Almost surely, 2^154483021 is an apocalyptic number.

154483021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

154483021 is a deficient number, since it is larger than the sum of its proper divisors (38119283).

154483021 is a wasteful number, since it uses less digits than its factorization.

154483021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2006291.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 154483021 is about 12429.1198803455. The cubic root of 154483021 is about 536.5706555522.

The spelling of 154483021 in words is "one hundred fifty-four million, four hundred eighty-three thousand, twenty-one".