45419942 has 16 divisors (see below), whose sum is σ = 70178400. Its totient is φ = 22030848.

The previous prime is 45419921. The next prime is 45419947. The reversal of 45419942 is 24991454.

45419942 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×45419942² = 4125942262566728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45419896 and 45419905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45419947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32543 + ... + 33909.

It is an arithmetic number, because the mean of its divisors is an integer number (4386150).

Almost surely, 2^45419942 is an apocalyptic number.

45419942 is a deficient number, since it is larger than the sum of its proper divisors (24758458).

45419942 is a wasteful number, since it uses less digits than its factorization.

45419942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1855.

The product of its digits is 51840, while the sum is 38.

The square root of 45419942 is about 6739.4318751657. The cubic root of 45419942 is about 356.7923426253.

The spelling of 45419942 in words is "forty-five million, four hundred nineteen thousand, nine hundred forty-two".