149617067 has 4 divisors (see below), whose sum is σ = 154443456. Its totient is φ = 144790680.

The previous prime is 149617043. The next prime is 149617103. The reversal of 149617067 is 760716941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 760716941 = 23297 ⋅32653.

It is a cyclic number.

It is not a de Polignac number, because 149617067 - 2¹⁰ = 149616043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149617007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2413148 + ... + 2413209.

It is an arithmetic number, because the mean of its divisors is an integer number (38610864).

Almost surely, 2^149617067 is an apocalyptic number.

149617067 is a deficient number, since it is larger than the sum of its proper divisors (4826389).

149617067 is an equidigital number, since it uses as much as digits as its factorization.

149617067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4826388.

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 149617067 is about 12231.8055494682. The cubic root of 149617067 is about 530.8767581409.

The spelling of 149617067 in words is "one hundred forty-nine million, six hundred seventeen thousand, sixty-seven".