149347853 has 8 divisors (see below), whose sum is σ = 151706808. Its totient is φ = 146997504.

The previous prime is 149347823. The next prime is 149347859. The reversal of 149347853 is 358743941.

It can be written as a sum of positive squares in 4 ways, for example, as 946729 + 148401124 = 973^2 + 12182^2 .

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 149347853 - 2²² = 145153549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149347859) 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, 38825 + ... + 42497.

It is an arithmetic number, because the mean of its divisors is an integer number (18963351).

Almost surely, 2^149347853 is an apocalyptic number.

It is an amenable number.

149347853 is a deficient number, since it is larger than the sum of its proper divisors (2358955).

149347853 is an equidigital number, since it uses as much as digits as its factorization.

149347853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4303.

The product of its digits is 362880, while the sum is 44.

The square root of 149347853 is about 12220.7959233431. The cubic root of 149347853 is about 530.5581553124.

The spelling of 149347853 in words is "one hundred forty-nine million, three hundred forty-seven thousand, eight hundred fifty-three".