145180101 has 8 divisors (see below), whose sum is σ = 211171104. Its totient is φ = 87987920.

The previous prime is 145180097. The next prime is 145180111. The reversal of 145180101 is 101081541.

It is a happy number.

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 145180101 - 2² = 145180097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145180111) 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 7 ways as a sum of consecutive naturals, for example, 2199666 + ... + 2199731.

It is an arithmetic number, because the mean of its divisors is an integer number (26396388).

Almost surely, 2^145180101 is an apocalyptic number.

145180101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

145180101 is a deficient number, since it is larger than the sum of its proper divisors (65991003).

145180101 is a wasteful number, since it uses less digits than its factorization.

145180101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4399411.

The product of its (nonzero) digits is 160, while the sum is 21.

The square root of 145180101 is about 12049.0705450670. The cubic root of 145180101 is about 525.5762090788.

The spelling of 145180101 in words is "one hundred forty-five million, one hundred eighty thousand, one hundred one".