45254147 has 4 divisors (see below), whose sum is σ = 45426480. Its totient is φ = 45081816.

The previous prime is 45254137. The next prime is 45254149. The reversal of 45254147 is 74145254.

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 45254147 - 2¹⁰ = 45253123 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45254149) 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, 85772 + ... + 86297.

It is an arithmetic number, because the mean of its divisors is an integer number (11356620).

Almost surely, 2^45254147 is an apocalyptic number.

45254147 is a deficient number, since it is larger than the sum of its proper divisors (172333).

45254147 is a wasteful number, since it uses less digits than its factorization.

45254147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172332.

The product of its digits is 22400, while the sum is 32.

The square root of 45254147 is about 6727.1202605573. The cubic root of 45254147 is about 356.3576839957.

The spelling of 45254147 in words is "forty-five million, two hundred fifty-four thousand, one hundred forty-seven".