145544355 has 24 divisors (see below), whose sum is σ = 275212080. Its totient is φ = 70566720.

The previous prime is 145544309. The next prime is 145544369. The reversal of 145544355 is 553445541.

145544355 is a `hidden beast` number, since 14 + 554 + 43 + 55 = 666.

It is not a de Polignac number, because 145544355 - 2⁶ = 145544291 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 146520 + ... + 147509.

It is an arithmetic number, because the mean of its divisors is an integer number (11467170).

Almost surely, 2^145544355 is an apocalyptic number.

145544355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

145544355 is a deficient number, since it is larger than the sum of its proper divisors (129667725).

145544355 is a wasteful number, since it uses less digits than its factorization.

145544355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294051 (or 294048 counting only the distinct ones).

The product of its digits is 120000, while the sum is 36.

The square root of 145544355 is about 12064.1765156185. The cubic root of 145544355 is about 526.0153954156.

Adding to 145544355 its reverse (553445541), we get a palindrome (698989896).

The spelling of 145544355 in words is "one hundred forty-five million, five hundred forty-four thousand, three hundred fifty-five".