145424524142144 has 28 divisors (see below), whose sum is σ = 310775004719004. Its totient is φ = 67119011142144.

The previous prime is 145424524142119. The next prime is 145424524142197. The reversal of 145424524142144 is 441241425424541.

It can be written as a sum of positive squares in 2 ways, for example, as 9289767559744 + 136134756582400 = 3047912^2 + 11667680^2 .

It is a super-2 number, since 2×145424524142144² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87394544927 + ... + 87394546590.

It is an arithmetic number, because the mean of its divisors is an integer number (11099107311393).

Almost surely, 2^{145424524142144} is an apocalyptic number.

It is an amenable number.

145424524142144 is an abundant number, since it is smaller than the sum of its proper divisors (165350480576860).

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

145424524142144 is a wasteful number, since it uses less digits than its factorization.

145424524142144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174789091542 (or 174789091532 counting only the distinct ones).

The product of its digits is 3276800, while the sum is 47.

Adding to 145424524142144 its reverse (441241425424541), we get a palindrome (586665949566685).

The spelling of 145424524142144 in words is "one hundred forty-five trillion, four hundred twenty-four billion, five hundred twenty-four million, one hundred forty-two thousand, one hundred forty-four".