145112451 has 16 divisors (see below), whose sum is σ = 220250880. Its totient is φ = 84122720.

The previous prime is 145112449. The next prime is 145112501. The reversal of 145112451 is 154211541.

It is not a de Polignac number, because 145112451 - 2¹ = 145112449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145112951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94836 + ... + 96353.

It is an arithmetic number, because the mean of its divisors is an integer number (13765680).

Almost surely, 2^145112451 is an apocalyptic number.

145112451 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

145112451 is a deficient number, since it is larger than the sum of its proper divisors (75138429).

145112451 is a wasteful number, since it uses less digits than its factorization.

145112451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191226.

The product of its digits is 800, while the sum is 24.

The square root of 145112451 is about 12046.2629474871. The cubic root of 145112451 is about 525.4945616301.

Adding to 145112451 its reverse (154211541), we get a palindrome (299323992).

The spelling of 145112451 in words is "one hundred forty-five million, one hundred twelve thousand, four hundred fifty-one".