45165154 has 4 divisors (see below), whose sum is σ = 67747734. Its totient is φ = 22582576.

The previous prime is 45165121. The next prime is 45165161. The reversal of 45165154 is 45156154.

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

It can be written as a sum of positive squares in only one way, i.e., 26286129 + 18879025 = 5127^2 + 4345^2 .

It is a super-2 number, since 2×45165154² = 4079782271687432, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11291287 + ... + 11291290.

Almost surely, 2^45165154 is an apocalyptic number.

45165154 is a deficient number, since it is larger than the sum of its proper divisors (22582580).

45165154 is a wasteful number, since it uses less digits than its factorization.

45165154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22582579.

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

The square root of 45165154 is about 6720.5025109734. The cubic root of 45165154 is about 356.1239363543.

Adding to 45165154 its product of digits (12000), we get a palindrome (45177154).

The spelling of 45165154 in words is "forty-five million, one hundred sixty-five thousand, one hundred fifty-four".