45423340 has 24 divisors (see below), whose sum is σ = 95754960. Its totient is φ = 18099648.

The previous prime is 45423331. The next prime is 45423347. The reversal of 45423340 is 4332454.

It is not an unprimeable number, because it can be changed into a prime (45423347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1159 + ... + 9601.

It is an arithmetic number, because the mean of its divisors is an integer number (3989790).

Almost surely, 2^45423340 is an apocalyptic number.

It is an amenable number.

45423340 is an abundant number, since it is smaller than the sum of its proper divisors (50331620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45423340 is a wasteful number, since it uses less digits than its factorization.

45423340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8721 (or 8719 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 45423340 is about 6739.6839688520. The cubic root of 45423340 is about 356.8012399663.

Adding to 45423340 its reverse (4332454), we get a palindrome (49755794).

The spelling of 45423340 in words is "forty-five million, four hundred twenty-three thousand, three hundred forty".