149442683 has 4 divisors (see below), whose sum is σ = 160938288. Its totient is φ = 137947080.

The previous prime is 149442583. The next prime is 149442697. The reversal of 149442683 is 386244941.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 149442683 - 2¹² = 149438587 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 149442683.

It is not an unprimeable number, because it can be changed into a prime (149442283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5747783 + ... + 5747808.

It is an arithmetic number, because the mean of its divisors is an integer number (40234572).

Almost surely, 2^149442683 is an apocalyptic number.

149442683 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

149442683 is a deficient number, since it is larger than the sum of its proper divisors (11495605).

149442683 is a wasteful number, since it uses less digits than its factorization.

149442683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11495604.

The product of its digits is 165888, while the sum is 41.

The square root of 149442683 is about 12224.6751695086. The cubic root of 149442683 is about 530.6704260586.

The spelling of 149442683 in words is "one hundred forty-nine million, four hundred forty-two thousand, six hundred eighty-three".