42255045 has 48 divisors (see below), whose sum is σ = 85318272. Its totient is φ = 18944640.

The previous prime is 42254981. The next prime is 42255053. The reversal of 42255045 is 54055224.

It is not a de Polignac number, because 42255045 - 2⁶ = 42254981 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15430 + ... + 17960.

It is an arithmetic number, because the mean of its divisors is an integer number (1777464).

Almost surely, 2^42255045 is an apocalyptic number.

42255045 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

42255045 is an abundant number, since it is smaller than the sum of its proper divisors (43063227).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42255045 is a wasteful number, since it uses less digits than its factorization.

42255045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2602 (or 2599 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 27.

The square root of 42255045 is about 6500.3880653389. The cubic root of 42255045 is about 348.3048507855.

The spelling of 42255045 in words is "forty-two million, two hundred fifty-five thousand, forty-five".