145612101 has 8 divisors (see below), whose sum is σ = 195005664. Its totient is φ = 96646640.

The previous prime is 145612079. The next prime is 145612109. The reversal of 145612101 is 101216541.

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 145612101 - 2⁵ = 145612069 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145612109) 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, 106230 + ... + 107591.

It is an arithmetic number, because the mean of its divisors is an integer number (24375708).

Almost surely, 2^145612101 is an apocalyptic number.

It is an amenable number.

145612101 is a deficient number, since it is larger than the sum of its proper divisors (49393563).

145612101 is a wasteful number, since it uses less digits than its factorization.

145612101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214051.

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 145612101 is about 12066.9839230853. The cubic root of 145612101 is about 526.0969969117.

Adding to 145612101 its reverse (101216541), we get a palindrome (246828642).

The spelling of 145612101 in words is "one hundred forty-five million, six hundred twelve thousand, one hundred one".