42145000977 has 8 divisors (see below), whose sum is σ = 56196060064. Its totient is φ = 28095304608.

The previous prime is 42145000949. The next prime is 42145000979. The reversal of 42145000977 is 77900054124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42145000977 - 2⁶ = 42145000913 is a prime.

It is a super-2 number, since 2×42145000977² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42145000979) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 266188 + ... + 393885.

It is an arithmetic number, because the mean of its divisors is an integer number (7024507508).

Almost surely, 2^42145000977 is an apocalyptic number.

It is an amenable number.

42145000977 is a deficient number, since it is larger than the sum of its proper divisors (14051059087).

42145000977 is a wasteful number, since it uses less digits than its factorization.

42145000977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681359.

The product of its (nonzero) digits is 70560, while the sum is 39.

The spelling of 42145000977 in words is "forty-two billion, one hundred forty-five million, nine hundred seventy-seven", and thus it is an aban number.