149548387 has 2 divisors, whose sum is σ = 149548388. Its totient is φ = 149548386.

The previous prime is 149548363. The next prime is 149548403. The reversal of 149548387 is 783845941.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 149548387 - 2²³ = 141159779 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 149548387.

It is not a weakly prime, because it can be changed into another prime (149548187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74774193 + 74774194.

It is an arithmetic number, because the mean of its divisors is an integer number (74774194).

Almost surely, 2^149548387 is an apocalyptic number.

149548387 is a deficient number, since it is larger than the sum of its proper divisors (1).

149548387 is an equidigital number, since it uses as much as digits as its factorization.

149548387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 967680, while the sum is 49.

The square root of 149548387 is about 12228.9977921333. The cubic root of 149548387 is about 530.7955147444.

The spelling of 149548387 in words is "one hundred forty-nine million, five hundred forty-eight thousand, three hundred eighty-seven".