45406142 has 4 divisors (see below), whose sum is σ = 68109216. Its totient is φ = 22703070.

The previous prime is 45406139. The next prime is 45406159. The reversal of 45406142 is 24160454.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11351534 + ... + 11351537.

It is an arithmetic number, because the mean of its divisors is an integer number (17027304).

Almost surely, 2^45406142 is an apocalyptic number.

45406142 is a deficient number, since it is larger than the sum of its proper divisors (22703074).

45406142 is a wasteful number, since it uses less digits than its factorization.

45406142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22703073.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 45406142 is about 6738.4079722142. The cubic root of 45406142 is about 356.7562040713.

Adding to 45406142 its reverse (24160454), we get a palindrome (69566596).

The spelling of 45406142 in words is "forty-five million, four hundred six thousand, one hundred forty-two".