149629705 has 16 divisors (see below), whose sum is σ = 190285200. Its totient is φ = 112752640.

The previous prime is 149629691. The next prime is 149629709. The reversal of 149629705 is 507926941.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 31494544 + 118135161 = 5612^2 + 10869^2 .

It is not a de Polignac number, because 149629705 - 2⁵ = 149629673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (149629709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6640 + ... + 18529.

It is an arithmetic number, because the mean of its divisors is an integer number (11892825).

Almost surely, 2^149629705 is an apocalyptic number.

It is an amenable number.

149629705 is a deficient number, since it is larger than the sum of its proper divisors (40655495).

149629705 is a wasteful number, since it uses less digits than its factorization.

149629705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25244.

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 149629705 is about 12232.3221425860. The cubic root of 149629705 is about 530.8917052582.

The spelling of 149629705 in words is "one hundred forty-nine million, six hundred twenty-nine thousand, seven hundred five".