40142144245 has 8 divisors (see below), whose sum is σ = 55052083584. Its totient is φ = 27526041744.

The previous prime is 40142144243. The next prime is 40142144257. The reversal of 40142144245 is 54244124104.

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

It is a cyclic number.

It is not a de Polignac number, because 40142144245 - 2¹ = 40142144243 is a prime.

It is a super-2 number, since 2×40142144245² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40142144243) 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, 573459169 + ... + 573459238.

It is an arithmetic number, because the mean of its divisors is an integer number (6881510448).

Almost surely, 2^40142144245 is an apocalyptic number.

It is an amenable number.

40142144245 is a deficient number, since it is larger than the sum of its proper divisors (14909939339).

40142144245 is a wasteful number, since it uses less digits than its factorization.

40142144245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146918419.

The product of its (nonzero) digits is 20480, while the sum is 31.

Adding to 40142144245 its reverse (54244124104), we get a palindrome (94386268349).

The spelling of 40142144245 in words is "forty billion, one hundred forty-two million, one hundred forty-four thousand, two hundred forty-five".