154649196 has 144 divisors (see below), whose sum is σ = 447837600. Its totient is φ = 46096128.

The previous prime is 154649191. The next prime is 154649203. The reversal of 154649196 is 691946451.

It is a happy number.

154649196 is a `hidden beast` number, since 15 + 464 + 91 + 96 = 666.

154649196 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (154649191) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 675210 + ... + 675438.

Almost surely, 2^154649196 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 154649196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223918800).

154649196 is an abundant number, since it is smaller than the sum of its proper divisors (293188404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

154649196 is a wasteful number, since it uses less digits than its factorization.

154649196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305 (or 284 counting only the distinct ones).

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

The square root of 154649196 is about 12435.8029897550. The cubic root of 154649196 is about 536.7629801977.

The spelling of 154649196 in words is "one hundred fifty-four million, six hundred forty-nine thousand, one hundred ninety-six".