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1145000053 = 2349782611
BaseRepresentation
bin100010000111111…
…0101000001110101
32221210112000210101
41010033311001311
54321110000203
6305341154101
740242224401
oct10417650165
92853460711
101145000053
1153836053a
1227b55b931
131532a8332
14ac0d4101
156a7c441d
hex443f5075

1145000053 has 4 divisors (see below), whose sum is σ = 1194782688. Its totient is φ = 1095217420.

The previous prime is 1145000047. The next prime is 1145000057. The reversal of 1145000053 is 3500005411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3500005411 = 7500000773.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1145000053 is a prime.

It is a super-2 number, since 2×11450000532 = 2622050242740005618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145000057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24891283 + ... + 24891328.

It is an arithmetic number, because the mean of its divisors is an integer number (298695672).

Almost surely, 21145000053 is an apocalyptic number.

It is an amenable number.

1145000053 is a deficient number, since it is larger than the sum of its proper divisors (49782635).

1145000053 is an equidigital number, since it uses as much as digits as its factorization.

1145000053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49782634.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 1145000053 is about 33837.8494145240. The cubic root of 1145000053 is about 1046.1689727596.

Adding to 1145000053 its reverse (3500005411), we get a palindrome (4645005464).

The spelling of 1145000053 in words is "one billion, one hundred forty-five million, fifty-three", and thus it is an aban number.

Divisors: 1 23 49782611 1145000053