145346224131 has 12 divisors (see below), whose sum is σ = 210484254240. Its totient is φ = 96648386640.

The previous prime is 145346224033. The next prime is 145346224151. The reversal of 145346224131 is 131422643541.

145346224131 is a `hidden beast` number, since 1 + 45 + 3 + 462 + 24 + 131 = 666.

It is not a de Polignac number, because 145346224131 - 2⁷ = 145346224003 is a prime.

It is a super-2 number, since 2×145346224131² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145346224151) 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 11 ways as a sum of consecutive naturals, for example, 20754315 + ... + 20761316.

It is an arithmetic number, because the mean of its divisors is an integer number (17540354520).

Almost surely, 2^145346224131 is an apocalyptic number.

145346224131 is a deficient number, since it is larger than the sum of its proper divisors (65138030109).

145346224131 is a wasteful number, since it uses less digits than its factorization.

145346224131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41516026 (or 41516023 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

Adding to 145346224131 its reverse (131422643541), we get a palindrome (276768867672).

The spelling of 145346224131 in words is "one hundred forty-five billion, three hundred forty-six million, two hundred twenty-four thousand, one hundred thirty-one".