1155145910 has 8 divisors (see below), whose sum is σ = 2079262656. Its totient is φ = 462058360.

The previous prime is 1155145879. The next prime is 1155145919. The reversal of 1155145910 is 195415511.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155145919) 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, 57757286 + ... + 57757305.

It is an arithmetic number, because the mean of its divisors is an integer number (259907832).

Almost surely, 2^1155145910 is an apocalyptic number.

1155145910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1155145910 is a deficient number, since it is larger than the sum of its proper divisors (924116746).

1155145910 is a wasteful number, since it uses less digits than its factorization.

1155145910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115514598.

The product of its (nonzero) digits is 4500, while the sum is 32.

The square root of 1155145910 is about 33987.4375321235. The cubic root of 1155145910 is about 1049.2499284078.

The spelling of 1155145910 in words is "one billion, one hundred fifty-five million, one hundred forty-five thousand, nine hundred ten".