45450142 has 8 divisors (see below), whose sum is σ = 68346432. Its totient is φ = 22668000.

The previous prime is 45450133. The next prime is 45450143. The reversal of 45450142 is 24105454.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45450143) 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, 27534 + ... + 29137.

It is an arithmetic number, because the mean of its divisors is an integer number (8543304).

Almost surely, 2^45450142 is an apocalyptic number.

45450142 is a deficient number, since it is larger than the sum of its proper divisors (22896290).

45450142 is a wasteful number, since it uses less digits than its factorization.

45450142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57074.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 45450142 is about 6741.6720477935. The cubic root of 45450142 is about 356.8714029161.

Adding to 45450142 its reverse (24105454), we get a palindrome (69555596).

The spelling of 45450142 in words is "forty-five million, four hundred fifty thousand, one hundred forty-two".