45331427 has 4 divisors (see below), whose sum is σ = 45357456. Its totient is φ = 45305400.

The previous prime is 45331423. The next prime is 45331439. The reversal of 45331427 is 72413354.

It is a happy number.

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 45331427 - 2² = 45331423 is a prime.

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 45331427.

It is not an unprimeable number, because it can be changed into a prime (45331423) 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, 10199 + ... + 13952.

It is an arithmetic number, because the mean of its divisors is an integer number (11339364).

Almost surely, 2^45331427 is an apocalyptic number.

45331427 is a deficient number, since it is larger than the sum of its proper divisors (26029).

45331427 is a wasteful number, since it uses less digits than its factorization.

45331427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26028.

The product of its digits is 10080, while the sum is 29.

The square root of 45331427 is about 6732.8617244081. The cubic root of 45331427 is about 356.5604179792.

The spelling of 45331427 in words is "forty-five million, three hundred thirty-one thousand, four hundred twenty-seven".