42940153 has 2 divisors, whose sum is σ = 42940154. Its totient is φ = 42940152.

The previous prime is 42940111. The next prime is 42940159. The reversal of 42940153 is 35104924.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42928704 + 11449 = 6552^2 + 107^2 .

It is a cyclic number.

It is not a de Polignac number, because 42940153 - 2²⁵ = 9385721 is a prime.

It is not a weakly prime, because it can be changed into another prime (42940159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21470076 + 21470077.

It is an arithmetic number, because the mean of its divisors is an integer number (21470077).

Almost surely, 2^42940153 is an apocalyptic number.

It is an amenable number.

42940153 is a deficient number, since it is larger than the sum of its proper divisors (1).

42940153 is an equidigital number, since it uses as much as digits as its factorization.

42940153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 42940153 is about 6552.8736444403. The cubic root of 42940153 is about 350.1771973485.

The spelling of 42940153 in words is "forty-two million, nine hundred forty thousand, one hundred fifty-three".