145555355 has 16 divisors (see below), whose sum is σ = 191134944. Its totient is φ = 105530880.

The previous prime is 145555349. The next prime is 145555369. The reversal of 145555355 is 553555541.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-145555355 is a prime.

It is a super-2 number, since 2×145555355² = 42372722738352050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14609 + ... + 22461.

It is an arithmetic number, because the mean of its divisors is an integer number (11945934).

Almost surely, 2^145555355 is an apocalyptic number.

145555355 is a deficient number, since it is larger than the sum of its proper divisors (45579589).

145555355 is a wasteful number, since it uses less digits than its factorization.

145555355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8206.

The product of its digits is 187500, while the sum is 38.

The square root of 145555355 is about 12064.6324021911. The cubic root of 145555355 is about 526.0286468710.

The spelling of 145555355 in words is "one hundred forty-five million, five hundred fifty-five thousand, three hundred fifty-five".