148987141 has 2 divisors, whose sum is σ = 148987142. Its totient is φ = 148987140.

The previous prime is 148987117. The next prime is 148987159. The reversal of 148987141 is 141789841.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 146168100 + 2819041 = 12090^2 + 1679^2 .

It is a cyclic number.

It is not a de Polignac number, because 148987141 - 2²³ = 140598533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148937141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74493570 + 74493571.

It is an arithmetic number, because the mean of its divisors is an integer number (74493571).

Almost surely, 2^148987141 is an apocalyptic number.

It is an amenable number.

148987141 is a deficient number, since it is larger than the sum of its proper divisors (1).

148987141 is an equidigital number, since it uses as much as digits as its factorization.

148987141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64512, while the sum is 43.

The square root of 148987141 is about 12206.0288792056. The cubic root of 148987141 is about 530.1306679126.

The spelling of 148987141 in words is "one hundred forty-eight million, nine hundred eighty-seven thousand, one hundred forty-one".