148109940 has 288 divisors, whose sum is σ = 536739840. Its totient is φ = 32659200.

The previous prime is 148109887. The next prime is 148109957. The reversal of 148109940 is 49901841.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 148109895 and 148109904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1166157 + ... + 1166283.

It is an arithmetic number, because the mean of its divisors is an integer number (1863680).

Almost surely, 2^148109940 is an apocalyptic number.

148109940 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 148109940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (268369920).

148109940 is an abundant number, since it is smaller than the sum of its proper divisors (388629900).

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

148109940 is a wasteful number, since it uses less digits than its factorization.

148109940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203 (or 198 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 148109940 is about 12170.0427279447. The cubic root of 148109940 is about 529.0881913373.

The spelling of 148109940 in words is "one hundred forty-eight million, one hundred nine thousand, nine hundred forty".