149649635 has 8 divisors (see below), whose sum is σ = 182040000. Its totient is φ = 118079424.

The previous prime is 149649613. The next prime is 149649637. The reversal of 149649635 is 536946941.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 149649635 - 2¹⁴ = 149633251 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 149649635.

It is not an unprimeable number, because it can be changed into a prime (149649637) 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, 204635 + ... + 205364.

It is an arithmetic number, because the mean of its divisors is an integer number (22755000).

Almost surely, 2^149649635 is an apocalyptic number.

149649635 is a deficient number, since it is larger than the sum of its proper divisors (32390365).

149649635 is an equidigital number, since it uses as much as digits as its factorization.

149649635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410077.

The product of its digits is 699840, while the sum is 47.

The square root of 149649635 is about 12233.1367604552. The cubic root of 149649635 is about 530.9152750032.

The spelling of 149649635 in words is "one hundred forty-nine million, six hundred forty-nine thousand, six hundred thirty-five".