149042712 has 96 divisors (see below), whose sum is σ = 466830000. Its totient is φ = 39303936.

The previous prime is 149042671. The next prime is 149042717. The reversal of 149042712 is 217240941.

149042712 is nontrivially palindromic in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 149042712.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149042717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10414 + ... + 20162.

Almost surely, 2^149042712 is an apocalyptic number.

149042712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149042712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233415000).

149042712 is an abundant number, since it is smaller than the sum of its proper divisors (317787288).

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

149042712 is a wasteful number, since it uses less digits than its factorization.

149042712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9785 (or 9774 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 149042712 is about 12208.3050420605. The cubic root of 149042712 is about 530.1965712050.

The spelling of 149042712 in words is "one hundred forty-nine million, forty-two thousand, seven hundred twelve".