145451312461253 has 32 divisors (see below), whose sum is σ = 153665405337600. Its totient is φ = 137398589577216.

The previous prime is 145451312461249. The next prime is 145451312461271. The reversal of 145451312461253 is 352164213154541.

It is a cyclic number.

It is not a de Polignac number, because 145451312461253 - 2² = 145451312461249 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145451312461198 and 145451312461207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145451312461223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7008678125 + ... + 7008698877.

It is an arithmetic number, because the mean of its divisors is an integer number (4802043916800).

Almost surely, 2^{145451312461253} is an apocalyptic number.

It is an amenable number.

145451312461253 is a deficient number, since it is larger than the sum of its proper divisors (8214092876347).

145451312461253 is a wasteful number, since it uses less digits than its factorization.

145451312461253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24821.

The product of its digits is 1728000, while the sum is 47.

The spelling of 145451312461253 in words is "one hundred forty-five trillion, four hundred fifty-one billion, three hundred twelve million, four hundred sixty-one thousand, two hundred fifty-three".