148999788 has 54 divisors (see below), whose sum is σ = 438135516. Its totient is φ = 42570864.

The previous prime is 148999787. The next prime is 148999813. The reversal of 148999788 is 887999841.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (148999787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 40470 + ... + 43997.

Almost surely, 2^148999788 is an apocalyptic number.

148999788 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

148999788 is an abundant number, since it is smaller than the sum of its proper divisors (289135728).

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

148999788 is a wasteful number, since it uses less digits than its factorization.

148999788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84491 (or 84479 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 63.

The square root of 148999788 is about 12206.5469318723. The cubic root of 148999788 is about 530.1456678041.

The spelling of 148999788 in words is "one hundred forty-eight million, nine hundred ninety-nine thousand, seven hundred eighty-eight".