1145167100 has 72 divisors (see below), whose sum is σ = 3098218368. Its totient is φ = 356932800.

The previous prime is 1145167061. The next prime is 1145167117. The reversal of 1145167100 is 17615411.

It is a happy number.

It is a super-2 number, since 2×1145167100² = 2622815373844820000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1145167100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66662 + ... + 82061.

Almost surely, 2^1145167100 is an apocalyptic number.

1145167100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1145167100 is an abundant number, since it is smaller than the sum of its proper divisors (1953051268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1145167100 is a wasteful number, since it uses less digits than its factorization.

1145167100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148755 (or 148748 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 26.

The square root of 1145167100 is about 33840.3176699038. The cubic root of 1145167100 is about 1046.2198463789.

The spelling of 1145167100 in words is "one billion, one hundred forty-five million, one hundred sixty-seven thousand, one hundred".