146865557 has 8 divisors (see below), whose sum is σ = 153377280. Its totient is φ = 140364400.

The previous prime is 146865539. The next prime is 146865583. The reversal of 146865557 is 755568641.

146865557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 146865557 - 2¹² = 146861461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146865517) 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, 42044 + ... + 45402.

It is an arithmetic number, because the mean of its divisors is an integer number (19172160).

Almost surely, 2^146865557 is an apocalyptic number.

It is an amenable number.

146865557 is a deficient number, since it is larger than the sum of its proper divisors (6511723).

146865557 is a wasteful number, since it uses less digits than its factorization.

146865557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5283.

The product of its digits is 1008000, while the sum is 47.

The square root of 146865557 is about 12118.8100488456. The cubic root of 146865557 is about 527.6022661349.

The spelling of 146865557 in words is "one hundred forty-six million, eight hundred sixty-five thousand, five hundred fifty-seven".