149143494 has 8 divisors (see below), whose sum is σ = 298287000. Its totient is φ = 49714496.

The previous prime is 149143493. The next prime is 149143517. The reversal of 149143494 is 494341941.

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

149143494 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149143493) 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 3 ways as a sum of consecutive naturals, for example, 12428619 + ... + 12428630.

It is an arithmetic number, because the mean of its divisors is an integer number (37285875).

Almost surely, 2^149143494 is an apocalyptic number.

149143494 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.

149143494 is a wasteful number, since it uses less digits than its factorization.

149143494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24857254.

The product of its digits is 62208, while the sum is 39.

The square root of 149143494 is about 12212.4319445391. The cubic root of 149143494 is about 530.3160497773.

The spelling of 149143494 in words is "one hundred forty-nine million, one hundred forty-three thousand, four hundred ninety-four".