45426442 has 8 divisors (see below), whose sum is σ = 69801732. Its totient is φ = 22159200.

The previous prime is 45426421. The next prime is 45426443. The reversal of 45426442 is 24462454.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 45414121 + 12321 = 6739^2 + 111^2 .

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

It is not an unprimeable number, because it can be changed into a prime (45426443) 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, 276909 + ... + 277072.

Almost surely, 2^45426442 is an apocalyptic number.

45426442 is a deficient number, since it is larger than the sum of its proper divisors (24375290).

45426442 is a wasteful number, since it uses less digits than its factorization.

45426442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554024.

The product of its digits is 30720, while the sum is 31.

The square root of 45426442 is about 6739.9140944080. The cubic root of 45426442 is about 356.8093618720.

Adding to 45426442 its reverse (24462454), we get a palindrome (69888896).

It can be divided in two parts, 454 and 26442, that added together give a square (26896 = 164²).

The spelling of 45426442 in words is "forty-five million, four hundred twenty-six thousand, four hundred forty-two".