145332001 has 8 divisors (see below), whose sum is σ = 147044160. Its totient is φ = 143626608.

The previous prime is 145331993. The next prime is 145332013. The reversal of 145332001 is 100233541.

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

It is a cyclic number.

It is not a de Polignac number, because 145332001 - 2³ = 145331993 is a prime.

It is a super-2 number, since 2×145332001² = 42242781029328002, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 145332001.

It is not an unprimeable number, because it can be changed into a prime (145032001) 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, 50715 + ... + 53503.

It is an arithmetic number, because the mean of its divisors is an integer number (18380520).

Almost surely, 2^145332001 is an apocalyptic number.

It is an amenable number.

145332001 is a deficient number, since it is larger than the sum of its proper divisors (1712159).

145332001 is a wasteful number, since it uses less digits than its factorization.

145332001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3383.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 145332001 is about 12055.3722879055. The cubic root of 145332001 is about 525.7594463093.

Adding to 145332001 its reverse (100233541), we get a palindrome (245565542).

The spelling of 145332001 in words is "one hundred forty-five million, three hundred thirty-two thousand, one".