148534637 has 2 divisors, whose sum is σ = 148534638. Its totient is φ = 148534636.

The previous prime is 148534619. The next prime is 148534649. The reversal of 148534637 is 736435841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119006281 + 29528356 = 10909^2 + 5434^2 .

It is a cyclic number.

It is not a de Polignac number, because 148534637 - 2²² = 144340333 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 148534594 and 148534603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148534697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74267318 + 74267319.

It is an arithmetic number, because the mean of its divisors is an integer number (74267319).

Almost surely, 2^148534637 is an apocalyptic number.

It is an amenable number.

148534637 is a deficient number, since it is larger than the sum of its proper divisors (1).

148534637 is an equidigital number, since it uses as much as digits as its factorization.

148534637 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241920, while the sum is 41.

The square root of 148534637 is about 12187.4786974173. The cubic root of 148534637 is about 529.5934190428.

The spelling of 148534637 in words is "one hundred forty-eight million, five hundred thirty-four thousand, six hundred thirty-seven".