146009155 has 8 divisors (see below), whose sum is σ = 175313232. Its totient is φ = 116739168.

The previous prime is 146009131. The next prime is 146009177. The reversal of 146009155 is 551900641.

146009155 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 a cyclic number.

It is not a de Polignac number, because 146009155 - 2¹⁵ = 145976387 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2112 + ... + 17218.

It is an arithmetic number, because the mean of its divisors is an integer number (21914154).

Almost surely, 2^146009155 is an apocalyptic number.

146009155 is a deficient number, since it is larger than the sum of its proper divisors (29304077).

146009155 is a wasteful number, since it uses less digits than its factorization.

146009155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17045.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 146009155 is about 12083.4248042515. The cubic root of 146009155 is about 526.5747487311.

Adding to 146009155 its reverse (551900641), we get a palindrome (697909796).

The spelling of 146009155 in words is "one hundred forty-six million, nine thousand, one hundred fifty-five".