148787641 has 2 divisors, whose sum is σ = 148787642. Its totient is φ = 148787640.

The previous prime is 148787633. The next prime is 148787669. The reversal of 148787641 is 146787841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 133888041 + 14899600 = 11571^2 + 3860^2 .

It is a cyclic number.

It is not a de Polignac number, because 148787641 - 2³ = 148787633 is a prime.

It is a super-2 number, since 2×148787641² = 44275524228689762, 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 = 148787591 and 148787600.

It is not a weakly prime, because it can be changed into another prime (148787141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74393820 + 74393821.

It is an arithmetic number, because the mean of its divisors is an integer number (74393821).

Almost surely, 2^148787641 is an apocalyptic number.

It is an amenable number.

148787641 is a deficient number, since it is larger than the sum of its proper divisors (1).

148787641 is an equidigital number, since it uses as much as digits as its factorization.

148787641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 301056, while the sum is 46.

The square root of 148787641 is about 12197.8539505931. The cubic root of 148787641 is about 529.8939398548.

The spelling of 148787641 in words is "one hundred forty-eight million, seven hundred eighty-seven thousand, six hundred forty-one".