154048489 has 16 divisors (see below), whose sum is σ = 180956160. Its totient is φ = 128394000.

The previous prime is 154048483. The next prime is 154048537. The reversal of 154048489 is 984840451.

It is not a de Polignac number, because 154048489 - 2³ = 154048481 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is not an unprimeable number, because it can be changed into a prime (154048481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74532 + ... + 76570.

It is an arithmetic number, because the mean of its divisors is an integer number (11309760).

Almost surely, 2^154048489 is an apocalyptic number.

It is an amenable number.

154048489 is a deficient number, since it is larger than the sum of its proper divisors (26907671).

154048489 is a wasteful number, since it uses less digits than its factorization.

154048489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2340.

The product of its (nonzero) digits is 184320, while the sum is 43.

The square root of 154048489 is about 12411.6271697147. The cubic root of 154048489 is about 536.0670919674.

The spelling of 154048489 in words is "one hundred fifty-four million, forty-eight thousand, four hundred eighty-nine".