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1144231025 = 52723674243
BaseRepresentation
bin100010000110011…
…1001010001110001
32221202001221212212
41010030321101301
54320410343100
6305312501505
740232542340
oct10414712161
92852057785
101144231025
11537985783
1227b24a895
131530992a2
14abd73b57
156a6c1635
hex44339471

1144231025 has 48 divisors (see below), whose sum is σ = 1717699584. Its totient is φ = 739126080.

The previous prime is 1144231021. The next prime is 1144231037. The reversal of 1144231025 is 5201324411.

It is not a de Polignac number, because 1144231025 - 22 = 1144231021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1144231021) 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 47 ways as a sum of consecutive naturals, for example, 267554 + ... + 271796.

It is an arithmetic number, because the mean of its divisors is an integer number (35785408).

Almost surely, 21144231025 is an apocalyptic number.

It is an amenable number.

1144231025 is a deficient number, since it is larger than the sum of its proper divisors (573468559).

1144231025 is a wasteful number, since it uses less digits than its factorization.

1144231025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4350 (or 4345 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1144231025 is about 33826.4840768295. The cubic root of 1144231025 is about 1045.9347039440.

Adding to 1144231025 its reverse (5201324411), we get a palindrome (6345555436).

The spelling of 1144231025 in words is "one billion, one hundred forty-four million, two hundred thirty-one thousand, twenty-five".

Divisors: 1 5 7 23 25 35 67 115 161 175 335 469 575 805 1541 1675 2345 4025 4243 7705 10787 11725 21215 29701 38525 53935 97589 106075 148505 269675 284281 487945 683123 742525 1421405 1989967 2439725 3415615 6538463 7107025 9949835 17078075 32692315 45769241 49749175 163461575 228846205 1144231025