148397644 has 12 divisors (see below), whose sum is σ = 265735624. Its totient is φ = 72473184.

The previous prime is 148397603. The next prime is 148397663. The reversal of 148397644 is 446793841.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 148397594 and 148397603.

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, 431217 + ... + 431560.

Almost surely, 2^148397644 is an apocalyptic number.

It is an amenable number.

148397644 is a deficient number, since it is larger than the sum of its proper divisors (117337980).

148397644 is a wasteful number, since it uses less digits than its factorization.

148397644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862824 (or 862822 counting only the distinct ones).

The product of its digits is 580608, while the sum is 46.

The square root of 148397644 is about 12181.8571654736. The cubic root of 148397644 is about 529.4305548819.

The spelling of 148397644 in words is "one hundred forty-eight million, three hundred ninety-seven thousand, six hundred forty-four".