46142021 has 8 divisors (see below), whose sum is σ = 46669824. Its totient is φ = 45617040.

The previous prime is 46142009. The next prime is 46142077. The reversal of 46142021 is 12024164.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 46142021 - 2⁶ = 46141957 is a prime.

It is a super-2 number, since 2×46142021² = 4258172203928882, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 46141984 and 46142002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46142321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53036 + ... + 53898.

It is an arithmetic number, because the mean of its divisors is an integer number (5833728).

Almost surely, 2^46142021 is an apocalyptic number.

It is an amenable number.

46142021 is a deficient number, since it is larger than the sum of its proper divisors (527803).

46142021 is a wasteful number, since it uses less digits than its factorization.

46142021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1411.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 46142021 is about 6792.7918413565. The cubic root of 46142021 is about 358.6731532196.

Adding to 46142021 its reverse (12024164), we get a palindrome (58166185).

The spelling of 46142021 in words is "forty-six million, one hundred forty-two thousand, twenty-one".