149401434 has 32 divisors (see below), whose sum is σ = 367758720. Its totient is φ = 39402432.

The previous prime is 149401429. The next prime is 149401453. The reversal of 149401434 is 434104941.

It is a Curzon number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 136269 + ... + 137360.

It is an arithmetic number, because the mean of its divisors is an integer number (11492460).

Almost surely, 2^149401434 is an apocalyptic number.

149401434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

149401434 is an abundant number, since it is smaller than the sum of its proper divisors (218357286).

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

149401434 is a wasteful number, since it uses less digits than its factorization.

149401434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273654.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 149401434 is about 12222.9879325802. The cubic root of 149401434 is about 530.6215965492.

The spelling of 149401434 in words is "one hundred forty-nine million, four hundred one thousand, four hundred thirty-four".