148721900 has 18 divisors (see below), whose sum is σ = 322726740. Its totient is φ = 59488720.

The previous prime is 148721851. The next prime is 148721917. The reversal of 148721900 is 9127841.

148721900 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×148721900² = 44236407079220000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 743510 + ... + 743709.

Almost surely, 2^148721900 is an apocalyptic number.

148721900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

148721900 is an abundant number, since it is smaller than the sum of its proper divisors (174004840).

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

148721900 is a wasteful number, since it uses less digits than its factorization.

148721900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1487233 (or 1487226 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 148721900 is about 12195.1588755539. The cubic root of 148721900 is about 529.8158847843.

The spelling of 148721900 in words is "one hundred forty-eight million, seven hundred twenty-one thousand, nine hundred".