45452145 has 8 divisors (see below), whose sum is σ = 72723456. Its totient is φ = 24241136.

The previous prime is 45452131. The next prime is 45452189. The reversal of 45452145 is 54125454.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45452145 - 2⁴ = 45452129 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1515057 + ... + 1515086.

It is an arithmetic number, because the mean of its divisors is an integer number (9090432).

Almost surely, 2^45452145 is an apocalyptic number.

It is an amenable number.

45452145 is a deficient number, since it is larger than the sum of its proper divisors (27271311).

45452145 is a wasteful number, since it uses less digits than its factorization.

45452145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3030151.

The product of its digits is 16000, while the sum is 30.

The square root of 45452145 is about 6741.8205998083. The cubic root of 45452145 is about 356.8766453121.

Adding to 45452145 its reverse (54125454), we get a palindrome (99577599).

The spelling of 45452145 in words is "forty-five million, four hundred fifty-two thousand, one hundred forty-five".