1145100155 has 8 divisors (see below), whose sum is σ = 1374318384. Its totient is φ = 915948000.

The previous prime is 1145100133. The next prime is 1145100311. The reversal of 1145100155 is 5510015411.

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

It is not a de Polignac number, because 1145100155 - 2⁶ = 1145100091 is a prime.

It is a super-2 number, since 2×1145100155² = 2622508729962048050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1145100155.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37940 + ... + 61070.

It is an arithmetic number, because the mean of its divisors is an integer number (171789798).

Almost surely, 2^1145100155 is an apocalyptic number.

1145100155 is a deficient number, since it is larger than the sum of its proper divisors (229218229).

1145100155 is an equidigital number, since it uses as much as digits as its factorization.

1145100155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33037.

The product of its (nonzero) digits is 500, while the sum is 23.

The square root of 1145100155 is about 33839.3285246620. The cubic root of 1145100155 is about 1046.1994590915.

Adding to 1145100155 its reverse (5510015411), we get a palindrome (6655115566).

The spelling of 1145100155 in words is "one billion, one hundred forty-five million, one hundred thousand, one hundred fifty-five".