46151881 has 4 divisors (see below), whose sum is σ = 46384000. Its totient is φ = 45919764.

The previous prime is 46151867. The next prime is 46151909. The reversal of 46151881 is 18815164.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 46151881 - 2²⁵ = 12597449 is a prime.

It is a super-2 number, since 2×46151881² = 4259992239676322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (46151851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115761 + ... + 116158.

It is an arithmetic number, because the mean of its divisors is an integer number (11596000).

Almost surely, 2^46151881 is an apocalyptic number.

It is an amenable number.

46151881 is a deficient number, since it is larger than the sum of its proper divisors (232119).

46151881 is a wasteful number, since it uses less digits than its factorization.

46151881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232118.

The product of its digits is 7680, while the sum is 34.

The square root of 46151881 is about 6793.5175719210. The cubic root of 46151881 is about 358.6986994595.

The spelling of 46151881 in words is "forty-six million, one hundred fifty-one thousand, eight hundred eighty-one".