145223544340251 has 48 divisors (see below), whose sum is σ = 226005839404800. Its totient is φ = 89327773529280.

The previous prime is 145223544340187. The next prime is 145223544340319. The reversal of 145223544340251 is 152043445322541.

145223544340251 is a `hidden beast` number, since 1 + 4 + 5 + 2 + 2 + 3 + 54 + 4 + 340 + 251 = 666.

It is not a de Polignac number, because 145223544340251 - 2⁶ = 145223544340187 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145223544340197 and 145223544340206.

It is not an unprimeable number, because it can be changed into a prime (145223544345251) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4356994656 + ... + 4357027986.

It is an arithmetic number, because the mean of its divisors is an integer number (4708454987600).

Almost surely, 2^{145223544340251} is an apocalyptic number.

145223544340251 is a deficient number, since it is larger than the sum of its proper divisors (80782295064549).

145223544340251 is a wasteful number, since it uses less digits than its factorization.

145223544340251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49136 (or 49133 counting only the distinct ones).

The product of its (nonzero) digits is 2304000, while the sum is 45.

Adding to 145223544340251 its reverse (152043445322541), we get a palindrome (297266989662792).

The spelling of 145223544340251 in words is "one hundred forty-five trillion, two hundred twenty-three billion, five hundred forty-four million, three hundred forty thousand, two hundred fifty-one".