145283745381 has 16 divisors (see below), whose sum is σ = 199376872704. Its totient is φ = 94034533824.

The previous prime is 145283745353. The next prime is 145283745401. The reversal of 145283745381 is 183547382541.

It is not a de Polignac number, because 145283745381 - 2²¹ = 145281648229 is a prime.

It is a super-2 number, since 2×145283745381² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145283741381) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1362066 + ... + 1464851.

It is an arithmetic number, because the mean of its divisors is an integer number (12461054544).

Almost surely, 2^145283745381 is an apocalyptic number.

It is an amenable number.

145283745381 is a deficient number, since it is larger than the sum of its proper divisors (54093127323).

145283745381 is a wasteful number, since it uses less digits than its factorization.

145283745381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2827420.

The product of its digits is 3225600, while the sum is 51.

The spelling of 145283745381 in words is "one hundred forty-five billion, two hundred eighty-three million, seven hundred forty-five thousand, three hundred eighty-one".