148170440 has 64 divisors (see below), whose sum is σ = 365472000. Its totient is φ = 53616640.

The previous prime is 148170431. The next prime is 148170443. The reversal of 148170440 is 44071841.

It is not an unprimeable number, because it can be changed into a prime (148170443) 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 15 ways as a sum of consecutive naturals, for example, 104456 + ... + 105864.

It is an arithmetic number, because the mean of its divisors is an integer number (5710500).

Almost surely, 2^148170440 is an apocalyptic number.

148170440 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 148170440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182736000).

148170440 is an abundant number, since it is smaller than the sum of its proper divisors (217301560).

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

148170440 is a wasteful number, since it uses less digits than its factorization.

148170440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1670 (or 1666 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 29.

The square root of 148170440 is about 12172.5280858168. The cubic root of 148170440 is about 529.1602222402.

The spelling of 148170440 in words is "one hundred forty-eight million, one hundred seventy thousand, four hundred forty".