42295545 has 12 divisors (see below), whose sum is σ = 73312356. Its totient is φ = 22557600.

The previous prime is 42295523. The next prime is 42295567. The reversal of 42295545 is 54559224.

42295545 is a `hidden beast` number, since 4 + 22 + 95 + 545 = 666.

It is an interprime number because it is at equal distance from previous prime (42295523) and next prime (42295567).

It can be written as a sum of positive squares in 2 ways, for example, as 12089529 + 30206016 = 3477^2 + 5496^2 .

It is not a de Polignac number, because 42295545 - 2¹⁵ = 42262777 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 469906 + ... + 469995.

It is an arithmetic number, because the mean of its divisors is an integer number (6109363).

Almost surely, 2^42295545 is an apocalyptic number.

42295545 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

42295545 is a deficient number, since it is larger than the sum of its proper divisors (31016811).

42295545 is a wasteful number, since it uses less digits than its factorization.

42295545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 939912 (or 939909 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 42295545 is about 6503.5025178745. The cubic root of 42295545 is about 348.4160946384.

The spelling of 42295545 in words is "forty-two million, two hundred ninety-five thousand, five hundred forty-five".