145510051 has 4 divisors (see below), whose sum is σ = 145535104. Its totient is φ = 145485000.

The previous prime is 145510033. The next prime is 145510061. The reversal of 145510051 is 150015541.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 145510051 - 2¹⁷ = 145378979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145510061) 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, 1201 + ... + 17101.

It is an arithmetic number, because the mean of its divisors is an integer number (36383776).

Almost surely, 2^145510051 is an apocalyptic number.

145510051 is a deficient number, since it is larger than the sum of its proper divisors (25053).

145510051 is an equidigital number, since it uses as much as digits as its factorization.

145510051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25052.

The product of its (nonzero) digits is 500, while the sum is 22.

The square root of 145510051 is about 12062.7547019742. The cubic root of 145510051 is about 525.9740658613.

Adding to 145510051 its reverse (150015541), we get a palindrome (295525592).

The spelling of 145510051 in words is "one hundred forty-five million, five hundred ten thousand, fifty-one".