45400342 has 8 divisors (see below), whose sum is σ = 73339056. Its totient is φ = 20953992.

The previous prime is 45400331. The next prime is 45400351. The reversal of 45400342 is 24300454.

It is a happy number.

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

It is a super-2 number, since 2×45400342² = 4122382107433928, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 873058 + ... + 873109.

It is an arithmetic number, because the mean of its divisors is an integer number (9167382).

Almost surely, 2^45400342 is an apocalyptic number.

45400342 is a deficient number, since it is larger than the sum of its proper divisors (27938714).

45400342 is a wasteful number, since it uses less digits than its factorization.

45400342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1746182.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 45400342 is about 6737.9775897520. The cubic root of 45400342 is about 356.7410132182.

Adding to 45400342 its reverse (24300454), we get a palindrome (69700796).

The spelling of 45400342 in words is "forty-five million, four hundred thousand, three hundred forty-two".