148712640 has 112 divisors (see below), whose sum is σ = 477328992. Its totient is φ = 39223296.

The previous prime is 148712623. The next prime is 148712659. The reversal of 148712640 is 46217841.

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, 92322 + ... + 93918.

It is an arithmetic number, because the mean of its divisors is an integer number (4261866).

Almost surely, 2^148712640 is an apocalyptic number.

148712640 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 148712640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238664496).

148712640 is an abundant number, since it is smaller than the sum of its proper divisors (328616352).

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

148712640 is a wasteful number, since it uses less digits than its factorization.

148712640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1714 (or 1704 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 148712640 is about 12194.7792107934. The cubic root of 148712640 is about 529.8048884282.

The spelling of 148712640 in words is "one hundred forty-eight million, seven hundred twelve thousand, six hundred forty".