45355442 has 16 divisors (see below), whose sum is σ = 74332512. Its totient is φ = 20584320.

The previous prime is 45355441. The next prime is 45355447. The reversal of 45355442 is 24455354.

It is a super-2 number, since 2×45355442² = 4114232238030728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45355399 and 45355408.

It is not an unprimeable number, because it can be changed into a prime (45355441) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 18818 + ... + 21090.

It is an arithmetic number, because the mean of its divisors is an integer number (4645782).

Almost surely, 2^45355442 is an apocalyptic number.

45355442 is a deficient number, since it is larger than the sum of its proper divisors (28977070).

45355442 is a wasteful number, since it uses less digits than its factorization.

45355442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3193.

The product of its digits is 48000, while the sum is 32.

The square root of 45355442 is about 6734.6449052641. The cubic root of 45355442 is about 356.6233712647.

The spelling of 45355442 in words is "forty-five million, three hundred fifty-five thousand, four hundred forty-two".