42377445 has 32 divisors (see below), whose sum is σ = 82189440. Its totient is φ = 20545920.

The previous prime is 42377443. The next prime is 42377459. The reversal of 42377445 is 54477324.

It is not a de Polignac number, because 42377445 - 2¹ = 42377443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42377443) 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 31 ways as a sum of consecutive naturals, for example, 12784 + ... + 15753.

It is an arithmetic number, because the mean of its divisors is an integer number (2568420).

Almost surely, 2^42377445 is an apocalyptic number.

42377445 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

42377445 is a deficient number, since it is larger than the sum of its proper divisors (39811995).

42377445 is a wasteful number, since it uses less digits than its factorization.

42377445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28562 (or 28556 counting only the distinct ones).

The product of its digits is 94080, while the sum is 36.

The square root of 42377445 is about 6509.7960797555. The cubic root of 42377445 is about 348.6408376117.

The spelling of 42377445 in words is "forty-two million, three hundred seventy-seven thousand, four hundred forty-five".