148806985402 has 4 divisors (see below), whose sum is σ = 223210478106. Its totient is φ = 74403492700.

The previous prime is 148806985399. The next prime is 148806985417. The reversal of 148806985402 is 204589608841.

148806985402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 131327236881 + 17479748521 = 362391^2 + 132211^2 .

It is a super-2 number, since 2×148806985402² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37201746349 + ... + 37201746352.

Almost surely, 2^148806985402 is an apocalyptic number.

148806985402 is a deficient number, since it is larger than the sum of its proper divisors (74403492704).

148806985402 is an equidigital number, since it uses as much as digits as its factorization.

148806985402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74403492703.

The product of its (nonzero) digits is 4423680, while the sum is 55.

The spelling of 148806985402 in words is "one hundred forty-eight billion, eight hundred six million, nine hundred eighty-five thousand, four hundred two".