148918434 has 32 divisors (see below), whose sum is σ = 344494080. Its totient is φ = 42034512.

The previous prime is 148918403. The next prime is 148918457. The reversal of 148918434 is 434819841.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17874 + ... + 24845.

It is an arithmetic number, because the mean of its divisors is an integer number (10765440).

Almost surely, 2^148918434 is an apocalyptic number.

148918434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

148918434 is an abundant number, since it is smaller than the sum of its proper divisors (195575646).

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

148918434 is a wasteful number, since it uses less digits than its factorization.

148918434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42814.

The product of its digits is 110592, while the sum is 42.

The square root of 148918434 is about 12203.2140848221. The cubic root of 148918434 is about 530.0491635894.

The spelling of 148918434 in words is "one hundred forty-eight million, nine hundred eighteen thousand, four hundred thirty-four".