45461155 has 4 divisors (see below), whose sum is σ = 54553392. Its totient is φ = 36368920.

The previous prime is 45461153. The next prime is 45461161. The reversal of 45461155 is 55116454.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 45461155 - 2¹ = 45461153 is a prime.

It is a super-2 number, since 2×45461155² = 4133433227868050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45461153) 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, 4546111 + ... + 4546120.

It is an arithmetic number, because the mean of its divisors is an integer number (13638348).

Almost surely, 2^45461155 is an apocalyptic number.

45461155 is a deficient number, since it is larger than the sum of its proper divisors (9092237).

45461155 is an equidigital number, since it uses as much as digits as its factorization.

45461155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9092236.

The product of its digits is 12000, while the sum is 31.

The square root of 45461155 is about 6742.4887838246. The cubic root of 45461155 is about 356.9002250289.

The spelling of 45461155 in words is "forty-five million, four hundred sixty-one thousand, one hundred fifty-five".