45529019 has 4 divisors (see below), whose sum is σ = 45598560. Its totient is φ = 45459480.

The previous prime is 45529013. The next prime is 45529031. The reversal of 45529019 is 91092554.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45529019 is a prime.

It is a super-2 number, since 2×45529019² = 4145783142204722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45529019.

It is not an unprimeable number, because it can be changed into a prime (45529013) 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, 33779 + ... + 35100.

It is an arithmetic number, because the mean of its divisors is an integer number (11399640).

Almost surely, 2^45529019 is an apocalyptic number.

45529019 is a deficient number, since it is larger than the sum of its proper divisors (69541).

45529019 is an equidigital number, since it uses as much as digits as its factorization.

45529019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69540.

The product of its (nonzero) digits is 16200, while the sum is 35.

The square root of 45529019 is about 6747.5194701460. The cubic root of 45529019 is about 357.0777292060.

The spelling of 45529019 in words is "forty-five million, five hundred twenty-nine thousand, nineteen".