45133157 has 4 divisors (see below), whose sum is σ = 45984780. Its totient is φ = 44281536.

The previous prime is 45133141. The next prime is 45133201. The reversal of 45133157 is 75133154.

45133157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75133154 = 2 ⋅37566577.

It can be written as a sum of positive squares in 2 ways, for example, as 12859396 + 32273761 = 3586^2 + 5681^2 .

It is a cyclic number.

It is not a de Polignac number, because 45133157 - 2⁴ = 45133141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45133357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 425732 + ... + 425837.

It is an arithmetic number, because the mean of its divisors is an integer number (11496195).

Almost surely, 2^45133157 is an apocalyptic number.

It is an amenable number.

45133157 is a deficient number, since it is larger than the sum of its proper divisors (851623).

45133157 is an equidigital number, since it uses as much as digits as its factorization.

45133157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851622.

The product of its digits is 6300, while the sum is 29.

The square root of 45133157 is about 6718.1215380492. The cubic root of 45133157 is about 356.0398184852.

The spelling of 45133157 in words is "forty-five million, one hundred thirty-three thousand, one hundred fifty-seven".