148903489 has 8 divisors (see below), whose sum is σ = 170339328. Its totient is φ = 127508640.

The previous prime is 148903481. The next prime is 148903523. The reversal of 148903489 is 984309841.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 148903489 - 2³ = 148903481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148903481) 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, 2017 + ... + 17374.

It is an arithmetic number, because the mean of its divisors is an integer number (21292416).

Almost surely, 2^148903489 is an apocalyptic number.

It is an amenable number.

148903489 is a deficient number, since it is larger than the sum of its proper divisors (21435839).

148903489 is a wasteful number, since it uses less digits than its factorization.

148903489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20495.

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 148903489 is about 12202.6017307786. The cubic root of 148903489 is about 530.0314316235.

The spelling of 148903489 in words is "one hundred forty-eight million, nine hundred three thousand, four hundred eighty-nine".