145342001 has 16 divisors (see below), whose sum is σ = 178575360. Its totient is φ = 115506000.

The previous prime is 145341983. The next prime is 145342013. The reversal of 145342001 is 100243541.

145342001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145342001 is a prime.

It is a super-2 number, since 2×145342001² = 42248594509368002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145342081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5375 + ... + 17876.

It is an arithmetic number, because the mean of its divisors is an integer number (11160960).

Almost surely, 2^145342001 is an apocalyptic number.

It is an amenable number.

145342001 is a deficient number, since it is larger than the sum of its proper divisors (33233359).

145342001 is a wasteful number, since it uses less digits than its factorization.

145342001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23324.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 145342001 is about 12055.7870336200. The cubic root of 145342001 is about 525.7715048462.

Adding to 145342001 its reverse (100243541), we get a palindrome (245585542).

The spelling of 145342001 in words is "one hundred forty-five million, three hundred forty-two thousand, one".