148997760 has 128 divisors (see below), whose sum is σ = 482060160. Its totient is φ = 39137280.

The previous prime is 148997759. The next prime is 148997777. The reversal of 148997760 is 67799841.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135774 + ... + 136866.

It is an arithmetic number, because the mean of its divisors is an integer number (3766095).

Almost surely, 2^148997760 is an apocalyptic number.

148997760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 148997760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241030080).

148997760 is an abundant number, since it is smaller than the sum of its proper divisors (333062400).

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

148997760 is a wasteful number, since it uses less digits than its factorization.

148997760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1186 (or 1174 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 51.

The square root of 148997760 is about 12206.4638614138. The cubic root of 148997760 is about 530.1432625651.

The spelling of 148997760 in words is "one hundred forty-eight million, nine hundred ninety-seven thousand, seven hundred sixty".