149491353 has 32 divisors (see below), whose sum is σ = 231137280. Its totient is φ = 84936960.

The previous prime is 149491351. The next prime is 149491367. The reversal of 149491353 is 353194941.

It is a happy number.

It is not a de Polignac number, because 149491353 - 2¹ = 149491351 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (149491351) 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 31 ways as a sum of consecutive naturals, for example, 245976 + ... + 246582.

It is an arithmetic number, because the mean of its divisors is an integer number (7223040).

Almost surely, 2^149491353 is an apocalyptic number.

It is an amenable number.

149491353 is a deficient number, since it is larger than the sum of its proper divisors (81645927).

149491353 is a wasteful number, since it uses less digits than its factorization.

149491353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077.

The product of its digits is 58320, while the sum is 39.

The square root of 149491353 is about 12226.6656533987. The cubic root of 149491353 is about 530.7280288037.

The spelling of 149491353 in words is "one hundred forty-nine million, four hundred ninety-one thousand, three hundred fifty-three".