145871061 has 8 divisors (see below), whose sum is σ = 222279744. Its totient is φ = 83354880.

The previous prime is 145871041. The next prime is 145871081. The reversal of 145871061 is 160178541.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (145871041) and next prime (145871081).

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

It is not a de Polignac number, because 145871061 - 2¹⁰ = 145870037 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145871041) 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, 3473100 + ... + 3473141.

It is an arithmetic number, because the mean of its divisors is an integer number (27784968).

Almost surely, 2^145871061 is an apocalyptic number.

It is an amenable number.

145871061 is a deficient number, since it is larger than the sum of its proper divisors (76408683).

145871061 is an equidigital number, since it uses as much as digits as its factorization.

145871061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6946251.

The product of its (nonzero) digits is 6720, while the sum is 33.

The square root of 145871061 is about 12077.7092612796. The cubic root of 145871061 is about 526.4086866547.

The spelling of 145871061 in words is "one hundred forty-five million, eight hundred seventy-one thousand, sixty-one".