148903637 has 2 divisors, whose sum is σ = 148903638. Its totient is φ = 148903636.

The previous prime is 148903631. The next prime is 148903649. The reversal of 148903637 is 736309841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 146870161 + 2033476 = 12119^2 + 1426^2 .

It is an emirp because it is prime and its reverse (736309841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 148903637 - 2¹⁰ = 148902613 is a prime.

It is a super-2 number, since 2×148903637² = 44344586223655538, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 148903594 and 148903603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148903631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74451818 + 74451819.

It is an arithmetic number, because the mean of its divisors is an integer number (74451819).

Almost surely, 2^148903637 is an apocalyptic number.

It is an amenable number.

148903637 is a deficient number, since it is larger than the sum of its proper divisors (1).

148903637 is an equidigital number, since it uses as much as digits as its factorization.

148903637 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 148903637 is about 12202.6077950576. The cubic root of 148903637 is about 530.0316072286.

The spelling of 148903637 in words is "one hundred forty-eight million, nine hundred three thousand, six hundred thirty-seven".