148697744 has 20 divisors (see below), whose sum is σ = 310263996. Its totient is φ = 68629632.

The previous prime is 148697719. The next prime is 148697777. The reversal of 148697744 is 447796841.

It can be written as a sum of positive squares in 2 ways, for example, as 90022144 + 58675600 = 9488^2 + 7660^2 .

It is a super-2 number, since 2×148697744² = 44222038141379072, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 148697692 and 148697701.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 357239 + ... + 357654.

Almost surely, 2^148697744 is an apocalyptic number.

It is an amenable number.

148697744 is an abundant number, since it is smaller than the sum of its proper divisors (161566252).

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

148697744 is a wasteful number, since it uses less digits than its factorization.

148697744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714914 (or 714908 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 50.

The square root of 148697744 is about 12194.1684423334. The cubic root of 148697744 is about 529.7871982997.

The spelling of 148697744 in words is "one hundred forty-eight million, six hundred ninety-seven thousand, seven hundred forty-four".