145510001 has 16 divisors (see below), whose sum is σ = 184869888. Its totient is φ = 111412800.

The previous prime is 145509977. The next prime is 145510007. The reversal of 145510001 is 100015541.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145510001 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (145510007) 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, 22970 + ... + 28611.

It is an arithmetic number, because the mean of its divisors is an integer number (11554368).

Almost surely, 2^145510001 is an apocalyptic number.

It is an amenable number.

145510001 is a deficient number, since it is larger than the sum of its proper divisors (39359887).

145510001 is a wasteful number, since it uses less digits than its factorization.

145510001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51632.

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 145510001 is about 12062.7526294789. The cubic root of 145510001 is about 525.9740056164.

Adding to 145510001 its reverse (100015541), we get a palindrome (245525542).

The spelling of 145510001 in words is "one hundred forty-five million, five hundred ten thousand, one".