145040042134 has 16 divisors (see below), whose sum is σ = 234406529280. Its totient is φ = 66909821760.

The previous prime is 145040042129. The next prime is 145040042153. The reversal of 145040042134 is 431240040541.

It is a super-2 number, since 2×145040042134² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1266399 + ... + 1376170.

It is an arithmetic number, because the mean of its divisors is an integer number (14650408080).

Almost surely, 2^145040042134 is an apocalyptic number.

145040042134 is a deficient number, since it is larger than the sum of its proper divisors (89366487146).

145040042134 is a wasteful number, since it uses less digits than its factorization.

145040042134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2644695.

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 145040042134 its reverse (431240040541), we get a palindrome (576280082675).

It can be divided in two parts, 1450 and 40042134, that added together give a square (40043584 = 6328²).

The spelling of 145040042134 in words is "one hundred forty-five billion, forty million, forty-two thousand, one hundred thirty-four".