148705040 has 80 divisors (see below), whose sum is σ = 390242880. Its totient is φ = 52200960.

The previous prime is 148705033. The next prime is 148705049. The reversal of 148705040 is 40507841.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×148705040² = 44226377842803200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 148704994 and 148705012.

It is not an unprimeable number, because it can be changed into a prime (148705049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22607 + ... + 28433.

It is an arithmetic number, because the mean of its divisors is an integer number (4878036).

Almost surely, 2^148705040 is an apocalyptic number.

148705040 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 148705040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195121440).

148705040 is an abundant number, since it is smaller than the sum of its proper divisors (241537840).

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

148705040 is a wasteful number, since it uses less digits than its factorization.

148705040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5880 (or 5874 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 148705040 is about 12194.4675980545. The cubic root of 148705040 is about 529.7958630001.

The spelling of 148705040 in words is "one hundred forty-eight million, seven hundred five thousand, forty".