46391148 has 18 divisors (see below), whose sum is σ = 117266604. Its totient is φ = 15463704.

The previous prime is 46391143. The next prime is 46391167. The reversal of 46391148 is 84119364.

46391148 is a `hidden beast` number, since 4 + 639 + 1 + 14 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×46391148² = 4304277225515808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1288643 = 46391148 / (4 + 6 + 3 + 9 + 1 + 1 + 4 + 8).

It is not an unprimeable number, because it can be changed into a prime (46391143) 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, 644286 + ... + 644357.

Almost surely, 2^46391148 is an apocalyptic number.

It is an amenable number.

46391148 is an abundant number, since it is smaller than the sum of its proper divisors (70875456).

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

46391148 is a wasteful number, since it uses less digits than its factorization.

46391148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1288653 (or 1288648 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 46391148 is about 6811.1047562051. The cubic root of 46391148 is about 359.3175032199.

The spelling of 46391148 in words is "forty-six million, three hundred ninety-one thousand, one hundred forty-eight".