149146943 has 8 divisors (see below), whose sum is σ = 163284096. Its totient is φ = 135106200.

The previous prime is 149146939. The next prime is 149146951. The reversal of 149146943 is 349641941.

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

It is a cyclic number.

It is not a de Polignac number, because 149146943 - 2² = 149146939 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 149146943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149145943) 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 7 ways as a sum of consecutive naturals, for example, 20843 + ... + 27068.

It is an arithmetic number, because the mean of its divisors is an integer number (20410512).

Almost surely, 2^149146943 is an apocalyptic number.

149146943 is a deficient number, since it is larger than the sum of its proper divisors (14137153).

149146943 is a wasteful number, since it uses less digits than its factorization.

149146943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48205.

The product of its digits is 93312, while the sum is 41.

The square root of 149146943 is about 12212.5731522886. The cubic root of 149146943 is about 530.3201376659.

The spelling of 149146943 in words is "one hundred forty-nine million, one hundred forty-six thousand, nine hundred forty-three".