45155229 has 16 divisors (see below), whose sum is σ = 72430080. Its totient is φ = 24444720.

The previous prime is 45155221. The next prime is 45155239. The reversal of 45155229 is 92255154.

It is not a de Polignac number, because 45155229 - 2³ = 45155221 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 45155229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45155221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56187 + ... + 56984.

It is an arithmetic number, because the mean of its divisors is an integer number (4526880).

Almost surely, 2^45155229 is an apocalyptic number.

It is an amenable number.

45155229 is a deficient number, since it is larger than the sum of its proper divisors (27274851).

45155229 is a wasteful number, since it uses less digits than its factorization.

45155229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113200.

The product of its digits is 18000, while the sum is 33.

The square root of 45155229 is about 6719.7640583580. The cubic root of 45155229 is about 356.0978484768.

The spelling of 45155229 in words is "forty-five million, one hundred fifty-five thousand, two hundred twenty-nine".