148878790 has 16 divisors (see below), whose sum is σ = 274518720. Its totient is φ = 58098880.

The previous prime is 148878773. The next prime is 148878797. The reversal of 148878790 is 97878841.

It is a super-2 number, since 2×148878790² = 44329788223728200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148878797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181150 + ... + 181969.

It is an arithmetic number, because the mean of its divisors is an integer number (17157420).

Almost surely, 2^148878790 is an apocalyptic number.

148878790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

148878790 is a deficient number, since it is larger than the sum of its proper divisors (125639930).

148878790 is a wasteful number, since it uses less digits than its factorization.

148878790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363167.

The product of its (nonzero) digits is 903168, while the sum is 52.

The square root of 148878790 is about 12201.5896505332. The cubic root of 148878790 is about 530.0021241163.

The spelling of 148878790 in words is "one hundred forty-eight million, eight hundred seventy-eight thousand, seven hundred ninety".