45155133 has 12 divisors (see below), whose sum is σ = 66987388. Its totient is φ = 29289600.

The previous prime is 45155113. The next prime is 45155137. The reversal of 45155133 is 33155154.

It can be written as a sum of positive squares in 2 ways, for example, as 28164249 + 16990884 = 5307^2 + 4122^2 .

It is not a de Polignac number, because 45155133 - 2⁶ = 45155069 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45155097 and 45155106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45155137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67468 + ... + 68133.

Almost surely, 2^45155133 is an apocalyptic number.

It is an amenable number.

45155133 is a deficient number, since it is larger than the sum of its proper divisors (21832255).

45155133 is a wasteful number, since it uses less digits than its factorization.

45155133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135644 (or 135641 counting only the distinct ones).

The product of its digits is 4500, while the sum is 27.

The square root of 45155133 is about 6719.7569152463. The cubic root of 45155133 is about 356.0975961220.

It can be divided in two parts, 451551 and 33, that added together give a square (451584 = 672²).

The spelling of 45155133 in words is "forty-five million, one hundred fifty-five thousand, one hundred thirty-three".