148745772 has 216 divisors, whose sum is σ = 468323856. Its totient is φ = 39626496.

The previous prime is 148745759. The next prime is 148745777. The reversal of 148745772 is 277547841.

148745772 is a `hidden beast` number, since 1 + 4 + 8 + 74 + 577 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148745777) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2806498 + ... + 2806550.

It is an arithmetic number, because the mean of its divisors is an integer number (2168166).

Almost surely, 2^148745772 is an apocalyptic number.

148745772 is a gapful number since it is divisible by the number (12) 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 148745772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234161928).

148745772 is an abundant number, since it is smaller than the sum of its proper divisors (319578084).

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

148745772 is a wasteful number, since it uses less digits than its factorization.

148745772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157 (or 145 counting only the distinct ones).

The product of its digits is 439040, while the sum is 45.

The square root of 148745772 is about 12196.1375853177. The cubic root of 148745772 is about 529.8442309529.

The spelling of 148745772 in words is "one hundred forty-eight million, seven hundred forty-five thousand, seven hundred seventy-two".