145104455 has 4 divisors (see below), whose sum is σ = 174125352. Its totient is φ = 116083560.

The previous prime is 145104431. The next prime is 145104457. The reversal of 145104455 is 554401541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 554401541 = 641 ⋅864901.

It is not a de Polignac number, because 145104455 - 2⁸ = 145104199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145104457) 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 3 ways as a sum of consecutive naturals, for example, 14510441 + ... + 14510450.

It is an arithmetic number, because the mean of its divisors is an integer number (43531338).

Almost surely, 2^145104455 is an apocalyptic number.

145104455 is a deficient number, since it is larger than the sum of its proper divisors (29020897).

145104455 is an equidigital number, since it uses as much as digits as its factorization.

145104455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29020896.

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 145104455 is about 12045.9310557549. The cubic root of 145104455 is about 525.4849095025.

Adding to 145104455 its reverse (554401541), we get a palindrome (699505996).

The spelling of 145104455 in words is "one hundred forty-five million, one hundred four thousand, four hundred fifty-five".