148879890 has 32 divisors (see below), whose sum is σ = 397013760. Its totient is φ = 39701232.

The previous prime is 148879883. The next prime is 148879891. The reversal of 148879890 is 98978841.

148879890 is a `hidden beast` number, since 1 + 488 + 79 + 8 + 90 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (148879891) 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, 275434 + ... + 275973.

It is an arithmetic number, because the mean of its divisors is an integer number (12406680).

Almost surely, 2^148879890 is an apocalyptic number.

148879890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

148879890 is an abundant number, since it is smaller than the sum of its proper divisors (248133870).

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

148879890 is a wasteful number, since it uses less digits than its factorization.

148879890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551423 (or 551417 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 54.

The square root of 148879890 is about 12201.6347265438. The cubic root of 148879890 is about 530.0034294308.

It can be divided in two parts, 148879 and 890, that added together give a square (149769 = 387²).

The spelling of 148879890 in words is "one hundred forty-eight million, eight hundred seventy-nine thousand, eight hundred ninety".