148513552949 has 6 divisors (see below), whose sum is σ = 150988117410. Its totient is φ = 146078900880.

The previous prime is 148513552921. The next prime is 148513552981. The reversal of 148513552949 is 949255315841.

It can be written as a sum of positive squares in 3 ways, for example, as 26070946225 + 122442606724 = 161465^2 + 349918^2 .

It is a de Polignac number, because none of the positive numbers 2^k-148513552949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 148513552894 and 148513552903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148513552919) by changing a digit.

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 in 5 ways as a sum of consecutive naturals, for example, 19952414 + ... + 19959855.

It is an arithmetic number, because the mean of its divisors is an integer number (25164686235).

Almost surely, 2^148513552949 is an apocalyptic number.

It is an amenable number.

148513552949 is a deficient number, since it is larger than the sum of its proper divisors (2474564461).

148513552949 is an frugal number, since it uses more digits than its factorization.

148513552949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39912391 (or 39912330 counting only the distinct ones).

The product of its digits is 7776000, while the sum is 56.

The spelling of 148513552949 in words is "one hundred forty-eight billion, five hundred thirteen million, five hundred fifty-two thousand, nine hundred forty-nine".