148864402 has 8 divisors (see below), whose sum is σ = 223520076. Its totient is φ = 74357712.

The previous prime is 148864381. The next prime is 148864403. The reversal of 148864402 is 204468841.

It is a Cunningham number, because it is equal to 12201²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 148864401 + 1 = 12201^2 + 1^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×148864402² = 44321220365635208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (148864403) 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 3 ways as a sum of consecutive naturals, for example, 34713 + ... + 38764.

Almost surely, 2^148864402 is an apocalyptic number.

148864402 is a deficient number, since it is larger than the sum of its proper divisors (74655674).

148864402 is a wasteful number, since it uses less digits than its factorization.

148864402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74492.

The product of its (nonzero) digits is 49152, while the sum is 37.

The square root of 148864402 is about 12201.0000409802. Note that the first 4 decimals coincide. The cubic root of 148864402 is about 529.9850500114.

The spelling of 148864402 in words is "one hundred forty-eight million, eight hundred sixty-four thousand, four hundred two".