45532147 has 4 divisors (see below), whose sum is σ = 45548776. Its totient is φ = 45515520.

The previous prime is 45532121. The next prime is 45532177. The reversal of 45532147 is 74123554.

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

It is a cyclic number.

It is not a de Polignac number, because 45532147 - 2²³ = 37143539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45532177) 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, 3129 + ... + 10042.

It is an arithmetic number, because the mean of its divisors is an integer number (11387194).

Almost surely, 2^45532147 is an apocalyptic number.

45532147 is a deficient number, since it is larger than the sum of its proper divisors (16629).

45532147 is a wasteful number, since it uses less digits than its factorization.

45532147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16628.

The product of its digits is 16800, while the sum is 31.

The square root of 45532147 is about 6747.7512550479. The cubic root of 45532147 is about 357.0859065076.

The spelling of 45532147 in words is "forty-five million, five hundred thirty-two thousand, one hundred forty-seven".