148381761 has 16 divisors (see below), whose sum is σ = 216066240. Its totient is φ = 89829120.

The previous prime is 148381733. The next prime is 148381787. The reversal of 148381761 is 167183841.

It is not a de Polignac number, because 148381761 - 2⁷ = 148381633 is a prime.

It is a super-2 number, since 2×148381761² = 44034293994922242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (148381721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37485 + ... + 41253.

It is an arithmetic number, because the mean of its divisors is an integer number (13504140).

Almost surely, 2^148381761 is an apocalyptic number.

148381761 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

148381761 is a deficient number, since it is larger than the sum of its proper divisors (67684479).

148381761 is a wasteful number, since it uses less digits than its factorization.

148381761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4976.

The product of its digits is 32256, while the sum is 39.

The square root of 148381761 is about 12181.2052359362. The cubic root of 148381761 is about 529.4116658903.

The spelling of 148381761 in words is "one hundred forty-eight million, three hundred eighty-one thousand, seven hundred sixty-one".