148740986 has 4 divisors (see below), whose sum is σ = 223111482. Its totient is φ = 74370492.

The previous prime is 148740979. The next prime is 148741009. The reversal of 148740986 is 689047841.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 85840225 + 62900761 = 9265^2 + 7931^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 148740986.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37185245 + ... + 37185248.

Almost surely, 2^148740986 is an apocalyptic number.

148740986 is a deficient number, since it is larger than the sum of its proper divisors (74370496).

148740986 is an equidigital number, since it uses as much as digits as its factorization.

148740986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74370495.

The product of its (nonzero) digits is 387072, while the sum is 47.

The square root of 148740986 is about 12195.9413740801. The cubic root of 148740986 is about 529.8385481882.

The spelling of 148740986 in words is "one hundred forty-eight million, seven hundred forty thousand, nine hundred eighty-six".