148400649 has 12 divisors (see below), whose sum is σ = 216438976. Its totient is φ = 97972632.

The previous prime is 148400641. The next prime is 148400657. The reversal of 148400649 is 946004841.

It is a happy number.

148400649 is a `hidden beast` number, since 1 + 4 + 8 + 4 + 0 + 0 + 649 = 666.

It is an interprime number because it is at equal distance from previous prime (148400641) and next prime (148400657).

It is not a de Polignac number, because 148400649 - 2³ = 148400641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148400641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79117 + ... + 80970.

Almost surely, 2^148400649 is an apocalyptic number.

It is an amenable number.

148400649 is a deficient number, since it is larger than the sum of its proper divisors (68038327).

148400649 is a wasteful number, since it uses less digits than its factorization.

148400649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160196 (or 160193 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 148400649 is about 12181.9805040067. The cubic root of 148400649 is about 529.4341284518.

The spelling of 148400649 in words is "one hundred forty-eight million, four hundred thousand, six hundred forty-nine".