149653329 has 32 divisors (see below), whose sum is σ = 254177280. Its totient is φ = 76246272.

The previous prime is 149653319. The next prime is 149653331. The reversal of 149653329 is 923356941.

It is a happy number.

149653329 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 149653329 - 2⁸ = 149653073 is a prime.

It is a super-2 number, since 2×149653329² = 44792237761564482, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (149653319) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4249 + ... + 17814.

It is an arithmetic number, because the mean of its divisors is an integer number (7943040).

Almost surely, 2^149653329 is an apocalyptic number.

149653329 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

149653329 is a deficient number, since it is larger than the sum of its proper divisors (104523951).

149653329 is a wasteful number, since it uses less digits than its factorization.

149653329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22109.

The product of its digits is 174960, while the sum is 42.

The square root of 149653329 is about 12233.2877428760. The cubic root of 149653329 is about 530.9196433954.

The spelling of 149653329 in words is "one hundred forty-nine million, six hundred fifty-three thousand, three hundred twenty-nine".