146115917 has 8 divisors (see below), whose sum is σ = 147727800. Its totient is φ = 144509184.

The previous prime is 146115911. The next prime is 146115961. The reversal of 146115917 is 719511641.

146115917 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 48916036 + 97199881 = 6994^2 + 9859^2 .

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 146115917 - 2¹⁴ = 146099533 is a prime.

It is a super-2 number, since 2×146115917² = 42699722401501778, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146115911) 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, 87353 + ... + 89009.

It is an arithmetic number, because the mean of its divisors is an integer number (18465975).

Almost surely, 2^146115917 is an apocalyptic number.

It is an amenable number.

146115917 is a deficient number, since it is larger than the sum of its proper divisors (1611883).

146115917 is a wasteful number, since it uses less digits than its factorization.

146115917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2575.

The product of its digits is 7560, while the sum is 35.

The square root of 146115917 is about 12087.8417014784. The cubic root of 146115917 is about 526.7030614081.

The spelling of 146115917 in words is "one hundred forty-six million, one hundred fifteen thousand, nine hundred seventeen".