149303807 has 4 divisors (see below), whose sum is σ = 151834440. Its totient is φ = 146773176.

The previous prime is 149303801. The next prime is 149303813. The reversal of 149303807 is 708303941.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (149303801) and next prime (149303813).

It is a cyclic number.

It is not a de Polignac number, because 149303807 - 2⁶ = 149303743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149303801) 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, 1265228 + ... + 1265345.

It is an arithmetic number, because the mean of its divisors is an integer number (37958610).

Almost surely, 2^149303807 is an apocalyptic number.

149303807 is a deficient number, since it is larger than the sum of its proper divisors (2530633).

149303807 is an equidigital number, since it uses as much as digits as its factorization.

149303807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2530632.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 149303807 is about 12218.9936983370. The cubic root of 149303807 is about 530.5059923881.

The spelling of 149303807 in words is "one hundred forty-nine million, three hundred three thousand, eight hundred seven".