145110420451 has 4 divisors (see below), whose sum is σ = 145246165600. Its totient is φ = 144974675304.

The previous prime is 145110420397. The next prime is 145110420461. The reversal of 145110420451 is 154024011541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 154024011541 = 17 ⋅9060235973.

It is a cyclic number.

It is not a de Polignac number, because 145110420451 - 2¹⁵ = 145110387683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145110420461) 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 3 ways as a sum of consecutive naturals, for example, 67870971 + ... + 67873108.

It is an arithmetic number, because the mean of its divisors is an integer number (36311541400).

Almost surely, 2^145110420451 is an apocalyptic number.

145110420451 is a deficient number, since it is larger than the sum of its proper divisors (135745149).

145110420451 is a wasteful number, since it uses less digits than its factorization.

145110420451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135745148.

The product of its (nonzero) digits is 3200, while the sum is 28.

Adding to 145110420451 its reverse (154024011541), we get a palindrome (299134431992).

The spelling of 145110420451 in words is "one hundred forty-five billion, one hundred ten million, four hundred twenty thousand, four hundred fifty-one".