46153781 has 2 divisors, whose sum is σ = 46153782. Its totient is φ = 46153780.

The previous prime is 46153777. The next prime is 46153787. The reversal of 46153781 is 18735164.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46117681 + 36100 = 6791^2 + 190^2 .

It is a cyclic number.

It is not a de Polignac number, because 46153781 - 2² = 46153777 is a prime.

It is a super-2 number, since 2×46153781² = 4260343001191922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46153787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23076890 + 23076891.

It is an arithmetic number, because the mean of its divisors is an integer number (23076891).

Almost surely, 2^46153781 is an apocalyptic number.

It is an amenable number.

46153781 is a deficient number, since it is larger than the sum of its proper divisors (1).

46153781 is an equidigital number, since it uses as much as digits as its factorization.

46153781 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 35.

The square root of 46153781 is about 6793.6574096726. The cubic root of 46153781 is about 358.7036217448.

The spelling of 46153781 in words is "forty-six million, one hundred fifty-three thousand, seven hundred eighty-one".