149106145 has 8 divisors (see below), whose sum is σ = 179046504. Its totient is φ = 119205504.

The previous prime is 149106131. The next prime is 149106161. The reversal of 149106145 is 541601941.

149106145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2405601 + 146700544 = 1551^2 + 12112^2 .

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 149106145 - 2¹³ = 149097953 is a prime.

It is a super-2 number, since 2×149106145² = 44465284953522050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 924 + ... + 17293.

It is an arithmetic number, because the mean of its divisors is an integer number (22380813).

Almost surely, 2^149106145 is an apocalyptic number.

It is an amenable number.

149106145 is a deficient number, since it is larger than the sum of its proper divisors (29940359).

149106145 is a wasteful number, since it uses less digits than its factorization.

149106145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19859.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 149106145 is about 12210.9027102831. The cubic root of 149106145 is about 530.2717782569.

The spelling of 149106145 in words is "one hundred forty-nine million, one hundred six thousand, one hundred forty-five".