148820356945 has 16 divisors (see below), whose sum is σ = 192424312080. Its totient is φ = 109839469824.

The previous prime is 148820356943. The next prime is 148820356957. The reversal of 148820356945 is 549653028841.

It can be written as a sum of positive squares in 8 ways, for example, as 8238103696 + 140582253249 = 90764^2 + 374943^2 .

It is a cyclic number.

It is not a de Polignac number, because 148820356945 - 2¹ = 148820356943 is a prime.

It is not an unprimeable number, because it can be changed into a prime (148820356943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 487890 + ... + 731899.

It is an arithmetic number, because the mean of its divisors is an integer number (12026519505).

Almost surely, 2^148820356945 is an apocalyptic number.

It is an amenable number.

148820356945 is a deficient number, since it is larger than the sum of its proper divisors (43603955135).

148820356945 is a wasteful number, since it uses less digits than its factorization.

148820356945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221684.

The product of its (nonzero) digits is 8294400, while the sum is 55.

The spelling of 148820356945 in words is "one hundred forty-eight billion, eight hundred twenty million, three hundred fifty-six thousand, nine hundred forty-five".