149303801 has 2 divisors, whose sum is σ = 149303802. Its totient is φ = 149303800.

The previous prime is 149303797. The next prime is 149303813. The reversal of 149303801 is 108303941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 136913401 + 12390400 = 11701^2 + 3520^2 .

It is a cyclic number.

It is not a de Polignac number, because 149303801 - 2² = 149303797 is a prime.

It is not a weakly prime, because it can be changed into another prime (149303851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74651900 + 74651901.

It is an arithmetic number, because the mean of its divisors is an integer number (74651901).

Almost surely, 2^149303801 is an apocalyptic number.

149303801 is the 5465-th centered decagonal number.

It is an amenable number.

149303801 is a deficient number, since it is larger than the sum of its proper divisors (1).

149303801 is an equidigital number, since it uses as much as digits as its factorization.

149303801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 149303801 is about 12218.9934528176. The cubic root of 149303801 is about 530.5059852817.

The spelling of 149303801 in words is "one hundred forty-nine million, three hundred three thousand, eight hundred one".