149934847 has 2 divisors, whose sum is σ = 149934848. Its totient is φ = 149934846.

The previous prime is 149934823. The next prime is 149934857. The reversal of 149934847 is 748439941.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 149934847 - 2¹⁹ = 149410559 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 149934847.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149934857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74967423 + 74967424.

It is an arithmetic number, because the mean of its divisors is an integer number (74967424).

Almost surely, 2^149934847 is an apocalyptic number.

149934847 is a deficient number, since it is larger than the sum of its proper divisors (1).

149934847 is an equidigital number, since it uses as much as digits as its factorization.

149934847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 870912, while the sum is 49.

The square root of 149934847 is about 12244.7885649365. The cubic root of 149934847 is about 531.2523452353.

The spelling of 149934847 in words is "one hundred forty-nine million, nine hundred thirty-four thousand, eight hundred forty-seven".