148661980 has 24 divisors (see below), whose sum is σ = 312695712. Its totient is φ = 59368512.

The previous prime is 148661971. The next prime is 148661983. The reversal of 148661980 is 89166841.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148661983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7369 + ... + 18751.

It is an arithmetic number, because the mean of its divisors is an integer number (13028988).

Almost surely, 2^148661980 is an apocalyptic number.

148661980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

148661980 is an abundant number, since it is smaller than the sum of its proper divisors (164033732).

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

148661980 is a wasteful number, since it uses less digits than its factorization.

148661980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12045 (or 12043 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 43.

The square root of 148661980 is about 12192.7019154903. The cubic root of 148661980 is about 529.7447210164.

The spelling of 148661980 in words is "one hundred forty-eight million, six hundred sixty-one thousand, nine hundred eighty".