148077738 has 12 divisors (see below), whose sum is σ = 320835138. Its totient is φ = 49359240.

The previous prime is 148077733. The next prime is 148077757. The reversal of 148077738 is 837770841.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 88679889 + 59397849 = 9417^2 + 7707^2 .

It is a junction number, because it is equal to n+sod(n) for n = 148077693 and 148077702.

It is not an unprimeable number, because it can be changed into a prime (148077733) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4113253 + ... + 4113288.

Almost surely, 2^148077738 is an apocalyptic number.

148077738 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

148077738 is an abundant number, since it is smaller than the sum of its proper divisors (172757400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

148077738 is a wasteful number, since it uses less digits than its factorization.

148077738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8226549 (or 8226546 counting only the distinct ones).

The product of its (nonzero) digits is 263424, while the sum is 45.

The square root of 148077738 is about 12168.7196532749. The cubic root of 148077738 is about 529.0498438484.

The spelling of 148077738 in words is "one hundred forty-eight million, seventy-seven thousand, seven hundred thirty-eight".