148754989 has 4 divisors (see below), whose sum is σ = 151276320. Its totient is φ = 146233660.

The previous prime is 148754987. The next prime is 148754993. The reversal of 148754989 is 989457841.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 148754989 - 2¹ = 148754987 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148754987) 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, 1260577 + ... + 1260694.

It is an arithmetic number, because the mean of its divisors is an integer number (37819080).

Almost surely, 2^148754989 is an apocalyptic number.

It is an amenable number.

148754989 is a deficient number, since it is larger than the sum of its proper divisors (2521331).

148754989 is an equidigital number, since it uses as much as digits as its factorization.

148754989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2521330.

The product of its digits is 2903040, while the sum is 55.

The square root of 148754989 is about 12196.5154449949. The cubic root of 148754989 is about 529.8551746218.

The spelling of 148754989 in words is "one hundred forty-eight million, seven hundred fifty-four thousand, nine hundred eighty-nine".