149643136 has 32 divisors (see below), whose sum is σ = 298680480. Its totient is φ = 74680320.

The previous prime is 149643127. The next prime is 149643191. The reversal of 149643136 is 631346941.

149643136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 149643095 and 149643104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112105 + ... + 113431.

It is an arithmetic number, because the mean of its divisors is an integer number (9333765).

Almost surely, 2^149643136 is an apocalyptic number.

149643136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

149643136 is a deficient number, since it is larger than the sum of its proper divisors (149037344).

149643136 is an equidigital number, since it uses as much as digits as its factorization.

149643136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2222 (or 2210 counting only the distinct ones).

The product of its digits is 46656, while the sum is 37.

The square root of 149643136 is about 12232.8711265998. The cubic root of 149643136 is about 530.9075893439.

The spelling of 149643136 in words is "one hundred forty-nine million, six hundred forty-three thousand, one hundred thirty-six".