78241148 has 24 divisors (see below), whose sum is σ = 143345664. Its totient is φ = 37321200.

The previous prime is 78241109. The next prime is 78241151. The reversal of 78241148 is 84114287.

It is a super-2 number, since 2×78241148² = 12243354480715808, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4361 + ... + 13247.

It is an arithmetic number, because the mean of its divisors is an integer number (5972736).

Almost surely, 2^78241148 is an apocalyptic number.

It is an amenable number.

78241148 is a deficient number, since it is larger than the sum of its proper divisors (65104516).

78241148 is a wasteful number, since it uses less digits than its factorization.

78241148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8993 (or 8991 counting only the distinct ones).

The product of its digits is 14336, while the sum is 35.

The square root of 78241148 is about 8845.4026477035. The cubic root of 78241148 is about 427.7057327419.

The spelling of 78241148 in words is "seventy-eight million, two hundred forty-one thousand, one hundred forty-eight".