154973728 has 96 divisors (see below), whose sum is σ = 395418240. Its totient is φ = 58060800.

The previous prime is 154973713. The next prime is 154973761. The reversal of 154973728 is 827379451.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53928 + ... + 56728.

It is an arithmetic number, because the mean of its divisors is an integer number (4118940).

Almost surely, 2^154973728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 154973728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197709120).

154973728 is an abundant number, since it is smaller than the sum of its proper divisors (240444512).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

154973728 is a wasteful number, since it uses less digits than its factorization.

154973728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2850 (or 2842 counting only the distinct ones).

The product of its digits is 423360, while the sum is 46.

The square root of 154973728 is about 12448.8444443651. The cubic root of 154973728 is about 537.1381843350.

The spelling of 154973728 in words is "one hundred fifty-four million, nine hundred seventy-three thousand, seven hundred twenty-eight".