148949970 has 64 divisors (see below), whose sum is σ = 386225280. Its totient is φ = 36546048.

The previous prime is 148949963. The next prime is 148949989. The reversal of 148949970 is 79949841.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 240321 + ... + 240939.

It is an arithmetic number, because the mean of its divisors is an integer number (6034770).

Almost surely, 2^148949970 is an apocalyptic number.

148949970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 148949970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193112640).

148949970 is an abundant number, since it is smaller than the sum of its proper divisors (237275310).

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

148949970 is a wasteful number, since it uses less digits than its factorization.

148949970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1259.

The product of its (nonzero) digits is 653184, while the sum is 51.

The square root of 148949970 is about 12204.5061350306. The cubic root of 148949970 is about 530.0865765771.

The spelling of 148949970 in words is "one hundred forty-eight million, nine hundred forty-nine thousand, nine hundred seventy".