149146901 has 2 divisors, whose sum is σ = 149146902. Its totient is φ = 149146900.

The previous prime is 149146897. The next prime is 149146937. The reversal of 149146901 is 109641941.

149146901 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103042801 + 46104100 = 10151^2 + 6790^2 .

It is an emirp because it is prime and its reverse (109641941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 149146901 - 2² = 149146897 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149146951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74573450 + 74573451.

It is an arithmetic number, because the mean of its divisors is an integer number (74573451).

Almost surely, 2^149146901 is an apocalyptic number.

It is an amenable number.

149146901 is a deficient number, since it is larger than the sum of its proper divisors (1).

149146901 is an equidigital number, since it uses as much as digits as its factorization.

149146901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 149146901 is about 12212.5714327491. The cubic root of 149146901 is about 530.3200878863.

The spelling of 149146901 in words is "one hundred forty-nine million, one hundred forty-six thousand, nine hundred one".