149730428 has 12 divisors (see below), whose sum is σ = 262118472. Its totient is φ = 74839440.

The previous prime is 149730421. The next prime is 149730463. The reversal of 149730428 is 824037941.

149730428 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 149730391 and 149730400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149730421) 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, 13451 + ... + 21917.

It is an arithmetic number, because the mean of its divisors is an integer number (21843206).

Almost surely, 2^149730428 is an apocalyptic number.

It is an amenable number.

149730428 is a deficient number, since it is larger than the sum of its proper divisors (112388044).

149730428 is a wasteful number, since it uses less digits than its factorization.

149730428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12892 (or 12890 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 149730428 is about 12236.4385341487. The cubic root of 149730428 is about 531.0108015105.

The spelling of 149730428 in words is "one hundred forty-nine million, seven hundred thirty thousand, four hundred twenty-eight".