149504142 has 8 divisors (see below), whose sum is σ = 299008296. Its totient is φ = 49834712.

The previous prime is 149504119. The next prime is 149504167. The reversal of 149504142 is 241405941.

It is a sphenic number, since it is the product of 3 distinct primes.

149504142 is an admirable number.

It is a super-3 number, since 3×149504142³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 12458673 + ... + 12458684.

It is an arithmetic number, because the mean of its divisors is an integer number (37376037).

Almost surely, 2^149504142 is an apocalyptic number.

149504142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

149504142 is a wasteful number, since it uses less digits than its factorization.

149504142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24917362.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 149504142 is about 12227.1886384402. The cubic root of 149504142 is about 530.7431629839.

The spelling of 149504142 in words is "one hundred forty-nine million, five hundred four thousand, one hundred forty-two".