145577776 has 20 divisors (see below), whose sum is σ = 282341800. Its totient is φ = 72715392.

The previous prime is 145577771. The next prime is 145577813. The reversal of 145577776 is 677775541.

It is not an unprimeable number, because it can be changed into a prime (145577771) 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 3 ways as a sum of consecutive naturals, for example, 14035 + ... + 22093.

It is an arithmetic number, because the mean of its divisors is an integer number (14117090).

Almost surely, 2^145577776 is an apocalyptic number.

145577776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

145577776 is a deficient number, since it is larger than the sum of its proper divisors (136764024).

145577776 is a wasteful number, since it uses less digits than its factorization.

145577776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9196 (or 9190 counting only the distinct ones).

The product of its digits is 1440600, while the sum is 49.

The square root of 145577776 is about 12065.5615700223. The cubic root of 145577776 is about 526.0556548840.

The spelling of 145577776 in words is "one hundred forty-five million, five hundred seventy-seven thousand, seven hundred seventy-six".