149532347 has 4 divisors (see below), whose sum is σ = 150307320. Its totient is φ = 148757376.

The previous prime is 149532329. The next prime is 149532359. The reversal of 149532347 is 743235941.

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 149532347 - 2¹² = 149528251 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 149532347.

It is not an unprimeable number, because it can be changed into a prime (149534347) 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, 387197 + ... + 387582.

It is an arithmetic number, because the mean of its divisors is an integer number (37576830).

Almost surely, 2^149532347 is an apocalyptic number.

149532347 is a deficient number, since it is larger than the sum of its proper divisors (774973).

149532347 is an equidigital number, since it uses as much as digits as its factorization.

149532347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774972.

The product of its digits is 90720, while the sum is 38.

The square root of 149532347 is about 12228.3419562915. The cubic root of 149532347 is about 530.7765370194.

The spelling of 149532347 in words is "one hundred forty-nine million, five hundred thirty-two thousand, three hundred forty-seven".