149859428 has 24 divisors (see below), whose sum is σ = 269267544. Its totient is φ = 72934400.

The previous prime is 149859427. The next prime is 149859431. The reversal of 149859428 is 824958941.

149859428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 7963684 + 141895744 = 2822^2 + 11912^2 .

It is not an unprimeable number, because it can be changed into a prime (149859427) 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, 100448 + ... + 101928.

It is an arithmetic number, because the mean of its divisors is an integer number (11219481).

Almost surely, 2^149859428 is an apocalyptic number.

It is an amenable number.

149859428 is a deficient number, since it is larger than the sum of its proper divisors (119408116).

149859428 is a wasteful number, since it uses less digits than its factorization.

149859428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2143 (or 2141 counting only the distinct ones).

The product of its digits is 829440, while the sum is 50.

The square root of 149859428 is about 12241.7085408859. The cubic root of 149859428 is about 531.1632548931.

The spelling of 149859428 in words is "one hundred forty-nine million, eight hundred fifty-nine thousand, four hundred twenty-eight".