149551696 has 40 divisors (see below), whose sum is σ = 333710784. Its totient is φ = 63598080.

The previous prime is 149551691. The next prime is 149551709. The reversal of 149551696 is 696155941.

It is a happy number.

149551696 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149551691) 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, 9576 + ... + 19768.

Almost surely, 2^149551696 is an apocalyptic number.

149551696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149551696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166855392).

149551696 is an abundant number, since it is smaller than the sum of its proper divisors (184159088).

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

149551696 is a wasteful number, since it uses less digits than its factorization.

149551696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10339 (or 10333 counting only the distinct ones).

The product of its digits is 291600, while the sum is 46.

The square root of 149551696 is about 12229.1330845649. The cubic root of 149551696 is about 530.7994296186.

The spelling of 149551696 in words is "one hundred forty-nine million, five hundred fifty-one thousand, six hundred ninety-six".