1144546377 has 32 divisors (see below), whose sum is σ = 1745385600. Its totient is φ = 661312512.

The previous prime is 1144546321. The next prime is 1144546409. The reversal of 1144546377 is 7736454411.

It is not a de Polignac number, because 1144546377 - 2⁸ = 1144546121 is a prime.

It is a super-2 number, since 2×1144546377² = 2619972818207652258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1144546307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76899 + ... + 90567.

It is an arithmetic number, because the mean of its divisors is an integer number (54543300).

Almost surely, 2^1144546377 is an apocalyptic number.

It is an amenable number.

1144546377 is a deficient number, since it is larger than the sum of its proper divisors (600839223).

1144546377 is a wasteful number, since it uses less digits than its factorization.

1144546377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13817.

The product of its digits is 282240, while the sum is 42.

The square root of 1144546377 is about 33831.1450737335. The cubic root of 1144546377 is about 1046.0307822408.

The spelling of 1144546377 in words is "one billion, one hundred forty-four million, five hundred forty-six thousand, three hundred seventy-seven".