149428859 has 2 divisors, whose sum is σ = 149428860. Its totient is φ = 149428858.

The previous prime is 149428847. The next prime is 149428871. The reversal of 149428859 is 958824941.

149428859 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (149428847) and next prime (149428871).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149428859 is a prime.

It is not a weakly prime, because it can be changed into another prime (149428819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74714429 + 74714430.

It is an arithmetic number, because the mean of its divisors is an integer number (74714430).

Almost surely, 2^149428859 is an apocalyptic number.

149428859 is a deficient number, since it is larger than the sum of its proper divisors (1).

149428859 is an equidigital number, since it uses as much as digits as its factorization.

149428859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 829440, while the sum is 50.

The square root of 149428859 is about 12224.1097426357. The cubic root of 149428859 is about 530.6540625628.

The spelling of 149428859 in words is "one hundred forty-nine million, four hundred twenty-eight thousand, eight hundred fifty-nine".