46291442 has 18 divisors (see below), whose sum is σ = 74023533. Its totient is φ = 21707232.

The previous prime is 46291423. The next prime is 46291447. The reversal of 46291442 is 24419264.

46291442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 42367081 + 3924361 = 6509^2 + 1981^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=4811.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 46291399 and 46291408.

It is not an unprimeable number, because it can be changed into a prime (46291447) by changing a digit.

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 8 ways as a sum of consecutive naturals, for example, 163433 + ... + 163715.

Almost surely, 2^46291442 is an apocalyptic number.

46291442 is a deficient number, since it is larger than the sum of its proper divisors (27732091).

46291442 is an equidigital number, since it uses as much as digits as its factorization.

46291442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602 (or 302 counting only the distinct ones).

The product of its digits is 13824, while the sum is 32.

The square root of 46291442 is about 6803.7814485770. The cubic root of 46291442 is about 359.0598979828.

Multiplying 46291442 by its sum of digits (32), we get a square (1481326144 = 38488²).

The spelling of 46291442 in words is "forty-six million, two hundred ninety-one thousand, four hundred forty-two".