149805107 has 2 divisors, whose sum is σ = 149805108. Its totient is φ = 149805106.

The previous prime is 149805059. The next prime is 149805127. The reversal of 149805107 is 701508941.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149805107 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (149805127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74902553 + 74902554.

It is an arithmetic number, because the mean of its divisors is an integer number (74902554).

Almost surely, 2^149805107 is an apocalyptic number.

149805107 is a deficient number, since it is larger than the sum of its proper divisors (1).

149805107 is an equidigital number, since it uses as much as digits as its factorization.

149805107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 35.

The square root of 149805107 is about 12239.4896543933. The cubic root of 149805107 is about 531.0990685052.

The spelling of 149805107 in words is "one hundred forty-nine million, eight hundred five thousand, one hundred seven".