149347523 has 8 divisors (see below), whose sum is σ = 160960800. Its totient is φ = 137752128.

The previous prime is 149347511. The next prime is 149347559. The reversal of 149347523 is 325743941.

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 149347523 - 2¹² = 149343427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (149347223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16583 + ... + 23951.

It is an arithmetic number, because the mean of its divisors is an integer number (20120100).

Almost surely, 2^149347523 is an apocalyptic number.

149347523 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

149347523 is a deficient number, since it is larger than the sum of its proper divisors (11613277).

149347523 is a wasteful number, since it uses less digits than its factorization.

149347523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8941.

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

The square root of 149347523 is about 12220.7824217601. The cubic root of 149347523 is about 530.5577645371.

The spelling of 149347523 in words is "one hundred forty-nine million, three hundred forty-seven thousand, five hundred twenty-three".