145415001 has 8 divisors (see below), whose sum is σ = 194072320. Its totient is φ = 96850512.

The previous prime is 145414981. The next prime is 145415003. The reversal of 145415001 is 100514541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 145415001 - 2⁶ = 145414937 is a prime.

It is a super-3 number, since 3×145415001³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145415003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19465 + ... + 25878.

It is an arithmetic number, because the mean of its divisors is an integer number (24259040).

Almost surely, 2^145415001 is an apocalyptic number.

It is an amenable number.

145415001 is a deficient number, since it is larger than the sum of its proper divisors (48657319).

145415001 is a wasteful number, since it uses less digits than its factorization.

145415001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46415.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 145415001 is about 12058.8142451901. The cubic root of 145415001 is about 525.8595154133.

Adding to 145415001 its reverse (100514541), we get a palindrome (245929542).

The spelling of 145415001 in words is "one hundred forty-five million, four hundred fifteen thousand, one".