46454142 has 64 divisors (see below), whose sum is σ = 109983744. Its totient is φ = 12806400.

The previous prime is 46454141. The next prime is 46454153. The reversal of 46454142 is 24145464.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46454141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 199258 + ... + 199490.

It is an arithmetic number, because the mean of its divisors is an integer number (1718496).

Almost surely, 2^46454142 is an apocalyptic number.

46454142 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 46454142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54991872).

46454142 is an abundant number, since it is smaller than the sum of its proper divisors (63529602).

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

46454142 is a wasteful number, since it uses less digits than its factorization.

46454142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393.

The product of its digits is 15360, while the sum is 30.

The square root of 46454142 is about 6815.7275473716. The cubic root of 46454142 is about 359.4800673462.

The spelling of 46454142 in words is "forty-six million, four hundred fifty-four thousand, one hundred forty-two".