145155155 has 8 divisors (see below), whose sum is σ = 183354000. Its totient is φ = 110012256.

The previous prime is 145155151. The next prime is 145155161. The reversal of 145155155 is 551551541.

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 145155155 - 2² = 145155151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145155151) 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, 763880 + ... + 764069.

It is an arithmetic number, because the mean of its divisors is an integer number (22919250).

Almost surely, 2^145155155 is an apocalyptic number.

145155155 is a deficient number, since it is larger than the sum of its proper divisors (38198845).

145155155 is a wasteful number, since it uses less digits than its factorization.

145155155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1527973.

The product of its digits is 12500, while the sum is 32.

The square root of 145155155 is about 12048.0353170133. The cubic root of 145155155 is about 525.5461044593.

The spelling of 145155155 in words is "one hundred forty-five million, one hundred fifty-five thousand, one hundred fifty-five".