149696415 has 24 divisors (see below), whose sum is σ = 283063248. Its totient is φ = 72579840.

The previous prime is 149696401. The next prime is 149696419. The reversal of 149696415 is 514696941.

It is a happy number.

149696415 is a `hidden beast` number, since 149 + 6 + 96 + 415 = 666.

It is not a de Polignac number, because 149696415 - 2⁴ = 149696399 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149696419) 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 23 ways as a sum of consecutive naturals, for example, 150714 + ... + 151703.

It is an arithmetic number, because the mean of its divisors is an integer number (11794302).

Almost surely, 2^149696415 is an apocalyptic number.

149696415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

149696415 is a deficient number, since it is larger than the sum of its proper divisors (133366833).

149696415 is a wasteful number, since it uses less digits than its factorization.

149696415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302439 (or 302436 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 149696415 is about 12235.0486308801. The cubic root of 149696415 is about 530.9705900487.

The spelling of 149696415 in words is "one hundred forty-nine million, six hundred ninety-six thousand, four hundred fifteen".