148451940 has 480 divisors, whose sum is σ = 614718720. Its totient is φ = 29113344.

The previous prime is 148451923. The next prime is 148451969. The reversal of 148451940 is 49154841.

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 = 148451895 and 148451904.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 2800954 + ... + 2801006.

It is an arithmetic number, because the mean of its divisors is an integer number (1280664).

Almost surely, 2^148451940 is an apocalyptic number.

148451940 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 148451940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (307359360).

148451940 is an abundant number, since it is smaller than the sum of its proper divisors (466266780).

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

148451940 is a wasteful number, since it uses less digits than its factorization.

148451940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113 (or 102 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 148451940 is about 12184.0855216959. The cubic root of 148451940 is about 529.4951166801.

The spelling of 148451940 in words is "one hundred forty-eight million, four hundred fifty-one thousand, nine hundred forty".